indeed. I hate ads. Even more forced ads of liquid sugar. Would have loved to see that red tree if only to prove that its not about the familiarity to the item.
If you zoom in to see that it’s black and white, and then zoom back out again, it stays black and white. But if you look away for a bit to forget, maybe change the angle you’re looking at it, it turns red again.
snooggums@midwest.social
on 03 Jul 13:02
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I think it probably depends a bit on the color persistence effect. Like when you stare at something then look away, you see the opposite color. This effect probably requires the parts of your eyes that were looking at cyan to move over the white area and create red. So if you look at it without moving your eyes, it doesn’t work
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 12:09
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I need to grab a color dropper but I am sensing a little warmth from the White even when I zoom in
CEbbinghaus@lemmy.world
on 03 Jul 12:13
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This is a screenshot of it zoomed in…
<img alt="" src="https://lemmy.world/pictrs/image/ccda9f60-e3ca-4519-a343-4a426bb8d062.jpeg">
You tell me if the white looks warm
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 12:18
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That doesn’t change anything but yes it does look a hair warm.
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 12:23
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There’s no disputing our minds are filling in red because we see a Coca-Cola can. But it does appear to me that there is a very very light thumb on the scale to make it easier
I think what we actually need is someone to take a picture of their screen with a microscope while the image is zoomed out.
Based on some comments I’ve seen, it seems likely this is just an artifact of how the red/green/blue pixel layouts work when drawing the edges of white things.
Edit: I don’t have something to check the actual display pixels, but I realized I could just rotate the image and see if the colors change, which they don’t. So this definitely seems like more of a white balance effect, similar to that old Gold/Blue Dress meme.
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 18:36
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You can use a color picker*, and unlike the gold/blue dress meme we are all looking at the same image and don’t have to determine one singular source vs. shared ones that have changed due to screenshotting/compressing/people just messing with folks
You can’t use a color picker see color fringing due to subpixel rendering. (There’s tons of info about this for font rendering). Your display doesn’t map pixels 1-to-1 in most cases.
But like I said in my edit, I’m fairly sure that part is irrelevant here.
The blue/gold dress was not related to screenshotting and compression. People were arguing about the color even when looking at the exact same image. It all depends on which color temperature the dress was lit with. Noone can know for sure, and your brain just picks one (maybe depending on the room you’re in).
It’s the same sort of deal as those rotating optical illusions. It’s possible to see it both ways, but your brain usually picks one and it’s hard to switch.
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 19:39
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Screenshotting, compression, people screwing with people, different monitors, different phones, etc. all contributed to the confusion ultimately. It’s not accurate to say we were all looking at the same image with the dress. But yet those visual/mental phenomenons are also real.
It’s not accurate to say we were all looking at the same image with the dress.
Why would you bring this up if not because of my comment?
bolexforsoup@lemmy.blahaj.zone
on 04 Jul 00:31
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I’m saying I didn’t dispute the optical illusions/visual fuckery occurring. That’s not incompatible with the other contributing factors I listed. Does that make sense?
yamapikariya@lemmyfi.com
on 03 Jul 12:14
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FFFCFCF9
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 12:19
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Yes. The first two symbols got interpreted as markdown
mexicancartel@lemmy.dbzer0.com
on 03 Jul 12:43
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Maybe you also try replacing cyan to magenta and see what happens. Imo the warmth of white does not do anything much
bolexforsoup@lemmy.blahaj.zone
on 03 Jul 13:00
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Color dropper shows there is full red and blue/green are pulled back. It’s slight, but it’s there. Didn’t say it did much but clearly it was enough for me to notice lol
Oh weird, I assume this is just because the white is relatively red compared to the cyan, right? As in if you took any image and coloured it in the same way then it would also look red.
RinseDrizzle@midwest.social
on 03 Jul 13:23
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Hand doesn’t look red tho
dustyData@lemmy.world
on 03 Jul 13:35
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Brain uses expectations to decide what to fill perception with. you don’t expect hands to be the same red tone as cola cans.
half_fiction@lemmy.dbzer0.com
on 03 Jul 14:11
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I think it’s also the amount of blue overlay. If you zoom way in, the cola can has much larger chunks of uninterrupted white, whereas the hand has a lot more blue interspersed.
RinseDrizzle@midwest.social
on 03 Jul 23:33
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Yeah, there seems to be a lot more going on here than just marketing. If you mask the logo, the red still works. I believe it has to do with the combinations of white/black, white/cyan, black/cyan and the relative size of the blocks to produce a red hue through complimentary color persistence or whatever it’s called.
Is this because our brains have been programmed to see Coca Cola can as red? Or does it have something to do with the way the black and white boxes are organized? (I.e. if it were a sprite can, it would still be red)
flamingo_pinyata@sopuli.xyz
on 03 Jul 12:32
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I think it’s a bit of both. The light blue color used is so called “complement color”, meaning it’s exactly the opposite on the color wheel to the Coca Cola red.
Black and white pattern suggests to our brain to play with contrast.
And of course we all know Coca Cola from all the marketing.
Btw, After staring at it for a while I can kinda switch between red and white at will. Anyone else?
Interesting :) And yes, for me it also became easy to switch once I was aware of the truth of what I was looking at.
If you look directly at the can you can see it as white, but if you look elsewhere and the can is only in your peripheral vision it seems to always be interpreted as red.
snooggums@midwest.social
on 03 Jul 13:00
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At the size it is on my phone screen it looks very red. Zooming in makes it look like the red switches to white.
Barbarian@sh.itjust.works
on 03 Jul 14:21
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Btw, After staring at it for a while I can kinda switch between red and white at will. Anyone else?
No, that doesn’t seem to work for me, but after messing with zooming in, I can absolutely see it’s white if I’m all the way zoomed in on the black and white pixels in the can, and then as I slowly zoom out, there’s a specific moment when there’s enough of the surrounding blue that the can suddenly turns red.
The can remains black and white in my perception as long as I’m sufficiently zoomed in on it without the background. It’s a pretty neat effect.
mexicancartel@lemmy.dbzer0.com
on 03 Jul 12:40
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The cyan is the one playing the trick. I can see the black and white nature without zooming when focusing on the logo or something. Sometimes it randomly changes from b/w to red
werefreeatlast@lemmy.world
on 03 Jul 14:21
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I have myopia so if I place the phone far from my face I can’t see that it is even a can… I still see a little bit of a red area there.
How come this comment isn’t clickable in the app, and you have to open a browser to see it?
DevopsPalmer@lemmy.dbzer0.com
on 03 Jul 16:35
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Depends on the Lemmy app you use and your phone preferences for app opening certain links in different apps ( e.g. PayPal specific links may open in the PayPal app)
Try restarting your app. That can happen if an API request fails (or if you Lemmy instance isn’t federated with the target instance)
DevopsPalmer@lemmy.dbzer0.com
on 03 Jul 21:59
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Ah this is a good point too, unfederated links could do it since the app wouldn’t know how to open it, I use sync and links usually work but occasionally will open in the browser.
Swedneck@discuss.tchncs.de
on 03 Jul 16:18
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It’s effectively your brain doing automatic white balance, it sees everything being tinted cyan so it just sorta subtracts cyan from the area, which results in white being reddish
you can do this physically (by tiring out the colour-sensing cells in your eyes) if you stare at a colour for about 30 seconds then quickly look at a white surface, you should see the inverse of the first colour.
I’m also lost. Because logically it should be the white, but I see a red and white striped midsection of the train and a red and white flecked can, so I think it must be coming from the black pixels.
Why is my brain making the train stripes red? I don’t know what color they normally are, which I assumed was the mechanism behind the coke can illusion.
Because our brains interpret colours and shading relative to their surroundings. That specific blue is on the opposite side of the colour wheel from red, so that relative lack of blue can be interpreted by our brains as red.
Remember that white is all colours present, so white next to white will have more red than white next to blue.
You’d get a similar effect if you stare at a bright blue version of the can for a while and then look at a blank white page or close your eyes. The after image isn’t the same colour as the thing you were staring at, it’s the inverse of that colour.
I’m right there with you, I just downloaded the first app I thought might let me shift hue.
bolexforsoup@lemmy.blahaj.zone
on 04 Jul 11:56
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No judgment for using the tool you used. I just always feel a need to say fuck Adobe lol. Recently got our production team fully in resolve, but unfortunately there is no suitable replacement for adobe audio enhance tool yet. Hoping resolve’s voice isolation tool can eventually supplant it.
CaptainSpaceman@lemmy.world
on 03 Jul 17:27
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Its the second Coca Cola TM post ive seen since I joined lemmy.
The other one was yesterday.
chonglibloodsport@lemmy.world
on 03 Jul 14:12
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Nonsense. My phone screen uses red, green, and blue to make up each pixel. The white pixels have their red component all the way at full brightness. Therefore there is a lot of red in the picture.
You could also see this by opening up the image and looking at the red channel which would not be completely black.
Texts on computers is made this way, so use a magnifying glass on black white text in a word document (for example) and you’ll see lots of colors. zoom in using the computer and you will still just see black/white.
Trincapinones@lemmy.dbzer0.com
on 03 Jul 17:22
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What??
azertyfun@sh.itjust.works
on 03 Jul 17:35
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It’s a real color (as real as colors can be, which is not very). It’s not a spectral color, you won’t find it on the rainbow. It’s actually the result of your red and blue cones being activated together.
so this is based off my memory so there could be inaccuracies.
but what i’ve heard is that pink is the result of your brain registering a color because of specific color cones being activated but that your brain knows it’s not actually that color and so it fills it in with pink.
RampantParanoia2365@lemmy.world
on 04 Jul 03:01
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Yeah, that’s magenta, which looks like a pink, but it’s not really.
So if the can shown wasn’t Coke, but Sprite, it would still appear red? Or is it a mix of both? The eyes are confused and the brain fills in? Like when seeing pink as mentioned elsewhere.
Your brain isn’t filling in anything. Your blue and green receptors get oversaturated by the cyan, which causes your red receptors to be more sensitive to the white light than the other two, which is why it appears red. The effect happens in your eye, not in your brain.
I’m red green colorblind as well. I just see the background as white or a very light shade of grey. Someone else has made a post with a yellow can and in that one I see the background as yellow (which is basically the same as green to me, I have very little r in my rgb), especially the right side of the can.
My phone makes it pink too. But you can still see some effective difference when zooming in/out.
NigelFrobisher@aussie.zone
on 03 Jul 23:32
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It’s actually all just white light at different wavelengths, which tricks your brain into seeing different “colours”.
vonbaronhans@midwest.social
on 03 Jul 23:49
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White light is the combination of all those wavelengths. It is only the combination that makes it “white” in exactly the same way that a smaller range of wavelengths are “red” or “blue”.
lolcatnip@reddthat.com
on 04 Jul 03:56
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Making your brain do exactly what it’s supposed to do is a weird way is “tricking” it.
no actually it’s white light with different phase shifts and because the earth is flat, the surface temperature of the sun tricks your brain into thinking it is red
AFC1886VCC@reddthat.com
on 04 Jul 00:08
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This is one of those actually cool optical illusions
ornery_chemist@mander.xyz
on 04 Jul 01:17
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Do I need see the color because I’m protan or what? Does that even make sense for optical illusions?
I think there’s something more going on here than just “marketing”.
Because if you look at the tiny thumbnail in the OP it’s very clearly red, and you can even load that thumbnail into an image editor and zoom in to see slightly reddish pixels.
So something happens when scaling this image that actually results in a red hue, and I don’t think my computers image scaling algorithms are also falling for “marketing”.
I would guess it’s actually some kind of sub-pixel trick that makes it seem like there’s colors there which aren’t, and that’s why the image scaling algorithms also reveal the same colors you see.
2pt_perversion@lemmy.world
on 04 Jul 09:41
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White light has red in it. Cyan does not. We fatigue blue and green cones everywhere but the white can, and we only stimulate the red cones on the white can. The result is it looks red.
ulterno@lemmy.kde.social
on 04 Jul 07:55
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Except that there is. Alright, maybe not exactly, but…
The whites that you see as white (in the other white parts which don’t seem red), are shifted like #E0F9F8. Notice the reduced reds there.
The whites you see as red are shifted like #F9F9F7. This one, I’d probably call yellow, but you get the point, reduced blues. There’s probably a better example pixel in there and I just haven’t found it.
The red pixels in the thumbnail, well, maybe JPEG downscaling? I can’t say, because I don’t know what downscaling algorithm is being used.
So the parts you see as white, are actually bluish white in a sea of blue (Cyan is just mixtures of blue and green in case of RGB) and the part you see as red, are reddish white, in a sea or blue.
Also, for those who don’t see red, don’t look straight at the image. Look at something near it, with the image in your peripheral vision and you’ll get what others are saying. But I guess that happened while you were reading the title.
SomeGuy69@lemmy.world
on 04 Jul 14:32
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<img alt="i found red" src="https://lemmy.world/pictrs/image/a2ad58ea-79df-4cd6-9f28-42b57ff4d78f.jpeg">
GTG3000@programming.dev
on 05 Jul 05:38
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…I was gonna say it took until it was shrunk down to the thumbnail to see red, but nope, it actually has red in it in the thumbnail.
<img alt="" src="https://programming.dev/pictrs/image/877ae6e7-eea2-44cc-9cc9-a78964fffde3.png"><img alt="" src="https://programming.dev/pictrs/image/2ffd3dcf-b573-426a-bfcf-2f577c3beded.png">
Guess this is specific to how often you see cans of coca-cola?
Here, I put the image through a ditherer (only available colours are black, cyan, white). I don’t see any red at all now.
Actually, that “red” is mostly just gray so I played myself here. Still, the luminosity must be closer to red before I detect it as red, white doesn’t do it.
threaded - newest
I hate this.
Yeah. Shouldn’t this work with e.g. a picture of a tree as well?
STOP 🛑
Hammer time?
indeed. I hate ads. Even more forced ads of liquid sugar. Would have loved to see that red tree if only to prove that its not about the familiarity to the item.
Burn the witch!
And what color does white have?
FFFCFCF9
I only see red if I take my contacts out and hold my phone really far away, but then its all one blurry mess.
If you zoom in to see that it’s black and white, and then zoom back out again, it stays black and white. But if you look away for a bit to forget, maybe change the angle you’re looking at it, it turns red again.
For me zooming out changes it back to red.
I think it probably depends a bit on the color persistence effect. Like when you stare at something then look away, you see the opposite color. This effect probably requires the parts of your eyes that were looking at cyan to move over the white area and create red. So if you look at it without moving your eyes, it doesn’t work
I need to grab a color dropper but I am sensing a little warmth from the White even when I zoom in
This is a screenshot of it zoomed in… <img alt="" src="https://lemmy.world/pictrs/image/ccda9f60-e3ca-4519-a343-4a426bb8d062.jpeg">
You tell me if the white looks warm
That doesn’t change anything but yes it does look a hair warm.
www.color-hex.com/color/fffcf9
Looks warmer than #ffffffff that’s for sure
There’s no disputing our minds are filling in red because we see a Coca-Cola can. But it does appear to me that there is a very very light thumb on the scale to make it easier
Our minds are filling in red because of the cyan
Here’s another example
Top comment explains it. It’s because of the cyan that it looks red. It’s the complementary primary color
I don’t know why you felt the need to send this when like 20 comments have repeated it and this happened days ago but ok lol
I think what we actually need is someone to take a picture of their screen with a microscope while the image is zoomed out.
Based on some comments I’ve seen, it seems likely this is just an artifact of how the red/green/blue pixel layouts work when drawing the edges of white things.
Edit: I don’t have something to check the actual display pixels, but I realized I could just rotate the image and see if the colors change, which they don’t. So this definitely seems like more of a white balance effect, similar to that old Gold/Blue Dress meme.
You can use a color picker*, and unlike the gold/blue dress meme we are all looking at the same image and don’t have to determine one singular source vs. shared ones that have changed due to screenshotting/compressing/people just messing with folks
You can’t use a color picker see color fringing due to subpixel rendering. (There’s tons of info about this for font rendering). Your display doesn’t map pixels 1-to-1 in most cases. But like I said in my edit, I’m fairly sure that part is irrelevant here.
The blue/gold dress was not related to screenshotting and compression. People were arguing about the color even when looking at the exact same image. It all depends on which color temperature the dress was lit with. Noone can know for sure, and your brain just picks one (maybe depending on the room you’re in).
It’s the same sort of deal as those rotating optical illusions. It’s possible to see it both ways, but your brain usually picks one and it’s hard to switch.
Screenshotting, compression, people screwing with people, different monitors, different phones, etc. all contributed to the confusion ultimately. It’s not accurate to say we were all looking at the same image with the dress. But yet those visual/mental phenomenons are also real.
I wasn’t saying everyone was looking at the same image. I’m saying the optical illusion still works when using a single image.
Sure but I never disputed that. I’m saying this effects are real and there was some confusion due to the above.
You disputed that right here:
Why would you bring this up if not because of my comment?
I’m saying I didn’t dispute the optical illusions/visual fuckery occurring. That’s not incompatible with the other contributing factors I listed. Does that make sense?
FFFCFCF9
I’m getting no hits for that do you mean fffcf9?
Yes. The first two symbols got interpreted as markdown
Maybe you also try replacing cyan to magenta and see what happens. Imo the warmth of white does not do anything much
Color dropper shows there is full red and blue/green are pulled back. It’s slight, but it’s there. Didn’t say it did much but clearly it was enough for me to notice lol
Oh weird, I assume this is just because the white is relatively red compared to the cyan, right? As in if you took any image and coloured it in the same way then it would also look red.
Hand doesn’t look red tho
Brain uses expectations to decide what to fill perception with. you don’t expect hands to be the same red tone as cola cans.
I think it’s also the amount of blue overlay. If you zoom way in, the cola can has much larger chunks of uninterrupted white, whereas the hand has a lot more blue interspersed.
Fair point, well observed!
The hand has cyan in it
Yeah, there seems to be a lot more going on here than just marketing. If you mask the logo, the red still works. I believe it has to do with the combinations of white/black, white/cyan, black/cyan and the relative size of the blocks to produce a red hue through complimentary color persistence or whatever it’s called.
Is this because our brains have been programmed to see Coca Cola can as red? Or does it have something to do with the way the black and white boxes are organized? (I.e. if it were a sprite can, it would still be red)
I think it’s a bit of both. The light blue color used is so called “complement color”, meaning it’s exactly the opposite on the color wheel to the Coca Cola red. Black and white pattern suggests to our brain to play with contrast. And of course we all know Coca Cola from all the marketing.
Btw, After staring at it for a while I can kinda switch between red and white at will. Anyone else?
Interesting :) And yes, for me it also became easy to switch once I was aware of the truth of what I was looking at.
If you look directly at the can you can see it as white, but if you look elsewhere and the can is only in your peripheral vision it seems to always be interpreted as red.
At the size it is on my phone screen it looks very red. Zooming in makes it look like the red switches to white.
No, that doesn’t seem to work for me, but after messing with zooming in, I can absolutely see it’s white if I’m all the way zoomed in on the black and white pixels in the can, and then as I slowly zoom out, there’s a specific moment when there’s enough of the surrounding blue that the can suddenly turns red.
The can remains black and white in my perception as long as I’m sufficiently zoomed in on it without the background. It’s a pretty neat effect.
The cyan is the one playing the trick. I can see the black and white nature without zooming when focusing on the logo or something. Sometimes it randomly changes from b/w to red
I have myopia so if I place the phone far from my face I can’t see that it is even a can… I still see a little bit of a red area there.
Someone did a color swap and the can looks blue when the cyan pixels are instead yellow
lemmy.world/comment/10968050
How come this comment isn’t clickable in the app, and you have to open a browser to see it?
Depends on the Lemmy app you use and your phone preferences for app opening certain links in different apps ( e.g. PayPal specific links may open in the PayPal app)
Thanks, I’m in voyager on Android. In the app settings, I can choose to open the link either “with default browser” or “in app”.
Even if it is set to “in app”, the app renders a browser window instead of just taking me to that comment in the thread.
Weird.
Try restarting your app. That can happen if an API request fails (or if you Lemmy instance isn’t federated with the target instance)
Ah this is a good point too, unfederated links could do it since the app wouldn’t know how to open it, I use sync and links usually work but occasionally will open in the browser.
It’s effectively your brain doing automatic white balance, it sees everything being tinted cyan so it just sorta subtracts cyan from the area, which results in white being reddish
you can do this physically (by tiring out the colour-sensing cells in your eyes) if you stare at a colour for about 30 seconds then quickly look at a white surface, you should see the inverse of the first colour.
I only see the red when its small, in the thumbnail its red, but when I open the image its very black and white.
The white has more red in it than green and blue, so that's probably the cause of the illusion.
Fucking pattern recognition…
Great lectures on this kind of thing:
m.youtube.com/watch?v=af78RPi6ayE
m.youtube.com/watch?v=mf5otGNbkuc
Hm… when I glance at it, yeah I see the white is very very light pink. But once I focus on the details, I see no trace of red.
I don’t even see that. My brain must be broken.
same… just white for me. maybe because I read the title first. idk
It’s not marketing, just colour theory. The same idea has been used by painters for ages.
It is when you use cova cola instead of, lolipop, santa, flag, flower or some other red object.
Here’s another example
That’s so weird. You can stare at a pixel and go “yep that’s red”. Zoom in, still red. Zoom more, BOOM IT’S BLACK!
The “red” parts are white, but yeah it’s interesting
I am confident that is not correct, but every time I zoom in to test it, my brain explodes and I can’t tell.
I’m also lost. Because logically it should be the white, but I see a red and white striped midsection of the train and a red and white flecked can, so I think it must be coming from the black pixels.
Why is my brain making the train stripes red? I don’t know what color they normally are, which I assumed was the mechanism behind the coke can illusion.
Because our brains interpret colours and shading relative to their surroundings. That specific blue is on the opposite side of the colour wheel from red, so that relative lack of blue can be interpreted by our brains as red.
Remember that white is all colours present, so white next to white will have more red than white next to blue.
You’d get a similar effect if you stare at a bright blue version of the can for a while and then look at a blank white page or close your eyes. The after image isn’t the same colour as the thing you were staring at, it’s the inverse of that colour.
Nah, it’s still colour theory. Now it’s yellow, magic. <img alt="" src="https://lemmy.sdf.org/pictrs/image/f70e1f4c-7a34-4ae0-bf42-52baae4f9125.png">
Jokes on you I zoomed in and out on the original and now the can appears white no matter what.
As a video editor, fuck Adobe lol
I’m right there with you, I just downloaded the first app I thought might let me shift hue.
No judgment for using the tool you used. I just always feel a need to say fuck Adobe lol. Recently got our production team fully in resolve, but unfortunately there is no suitable replacement for adobe audio enhance tool yet. Hoping resolve’s voice isolation tool can eventually supplant it.
I installed GIMP on my Android phone for changing aspect ratio of photos, but used it for hue, too
didn’t know it was on phone, thanks for the tip!
Its the second Coca Cola TM post ive seen since I joined lemmy.
The other one was yesterday.
Nonsense. My phone screen uses red, green, and blue to make up each pixel. The white pixels have their red component all the way at full brightness. Therefore there is a lot of red in the picture.
You could also see this by opening up the image and looking at the red channel which would not be completely black.
Texts on computers is made this way, so use a magnifying glass on black white text in a word document (for example) and you’ll see lots of colors. zoom in using the computer and you will still just see black/white.
So that’s why I can’t print greyscale documents when my yellow ink is too low!
Ha ha nah thats because all (color) printers also print a unique pattern with yellow, so that anything from your printer can be traced back to it
Can plz anyone find a link (am at home with wrecked right arm)?
Yeah, that was the point of the joke
But you’re right, better leave a link, the more people know, the better
I just tried printing this image but it says my magenta is too low 🤔
Red is complimentary to cyan.
If the cyan were switched with yellow, the can would appear blue.
Also, it’s not our brains creating the red, it’s our eyes. They get exhausted of seeing the cyan and replace it with red.
Can you do that and post it?
Checkmate, atheists.
Well color me impressed.
Colored impressed; appears pink.
fun fact: pink isn’t a real color.
What??
It’s a real color (as real as colors can be, which is not very). It’s not a spectral color, you won’t find it on the rainbow. It’s actually the result of your red and blue cones being activated together.
Pink is actually GREEN!
Orange is the new black
so this is based off my memory so there could be inaccuracies.
but what i’ve heard is that pink is the result of your brain registering a color because of specific color cones being activated but that your brain knows it’s not actually that color and so it fills it in with pink.
Yeah, that’s magenta, which looks like a pink, but it’s not really.
And so is brown.
I believe you’re thinking of Magenta. Pink is just red and white.
Grab your pitchforks gang. OP is selling us snake oil posts!!!
<img alt="" src="https://lemmy.world/pictrs/image/e3966a29-946b-44bb-b20d-5302ce3a5ef6.png">
Now send this version (with the same unedited caption) to everyone.
Strange, I see the OP picture as red, but this one as black & white.
Huh, it shows up as black to me.
It depends on the size you are viewing it at. This works well on small screens but less well on large screens
Let’s hope it’s the size of the image and not the responding user’s revelation they are red green deficient lol
It’s curious that the thumbnail actually has red values for those pixels, making me think they’re cheating a bit with jpeg compression effects.
so it would appear red even if it was another can?
yes, obviously
So if the can shown wasn’t Coke, but Sprite, it would still appear red? Or is it a mix of both? The eyes are confused and the brain fills in? Like when seeing pink as mentioned elsewhere.
Your brain isn’t filling in anything. Your blue and green receptors get oversaturated by the cyan, which causes your red receptors to be more sensitive to the white light than the other two, which is why it appears red. The effect happens in your eye, not in your brain.
He’s right. <img alt="" src="https://ani.social/pictrs/image/2cc3636e-32a3-4b86-9d0a-c0e2c88259a9.webp">
You guys never cease to amaze me.
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She’s right.
<img alt="" src="https://lemmy.dbzer0.com/pictrs/image/3b49aa25-2fe3-4e14-88ba-32a2dbb0b384.webp"> <img alt="" src="https://lemmy.dbzer0.com/pictrs/image/fc20645b-7c45-4ac0-aa08-c4849eb1ce7d.webp">
Damn i thought it was a shitpost at first
That’s wild as fuck. If I actually concentrate on the “red” it becomes white and then only becomes red again if I look away for a moment.
Jokes on you, I’m moderately red green colorblind so I wouldn’t realize it if there was red present
Same here. Those colour fanatics are fantasising again I suppose.
Do you see the Coke can as a different color from the background?
I’m red green colorblind as well. I just see the background as white or a very light shade of grey. Someone else has made a post with a yellow can and in that one I see the background as yellow (which is basically the same as green to me, I have very little r in my rgb), especially the right side of the can.
Here is an 8 minute video that goes into more depth on how this works. www.youtube.com/watch?v=0FjjJha7HMI
When its small thumbnail I can see it but when I look at the full size image I appear to be able to turn the effect off at will.
If I zoom in just a bit it’s white, turns instantly red at some point of zooming out.
The tipping point is wild
The “white” is actually very pale pink. At least on my phone screen
When I zoom in on my phone, it’s absolutely white
Must be hardware variant
I had that issue on an old phone, could very well be hardware variance.
My phone was old when i got it a couple years ago so yeah
Might have a blue light filter on your phone or something
That tends to make your phone screen look yellow/orange. Pink is a different thing.
i used a colour picker and it’s all white and shades of gray.
My phone makes it pink too. But you can still see some effective difference when zooming in/out.
It’s actually all just white light at different wavelengths, which tricks your brain into seeing different “colours”.
White light is the combination of all those wavelengths. It is only the combination that makes it “white” in exactly the same way that a smaller range of wavelengths are “red” or “blue”.
Making your brain do exactly what it’s supposed to do is a weird way is “tricking” it.
no actually it’s white light with different phase shifts and because the earth is flat, the surface temperature of the sun tricks your brain into thinking it is red
This is one of those actually cool optical illusions
Do I need see the color because I’m protan or what? Does that even make sense for optical illusions?
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Weird but if I focus my mind so to say it appears white but then if I relax then again red
Your mind compensates for the teal which makes the white look red.
then why are the other parts still white
The image has teal-black parts and white-black parts, the white-black parts look like they’re red-black
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It makes gray look red because it’s similar luminosity. White still looks white.
I’m colorblind this trick doesn’t work with me
<img alt="" src="https://feddit.uk/pictrs/image/1e294a7d-c2b1-451e-82c3-eb9b6f045c2a.webp">
Pretty sure this is stolen from a Facebook account I follow but I can’t remember the name at the moment and will edit it in if I find it
Edit: the account name is Japanese
2nd edit: found it
www.facebook.com/share/6U4q8zuJr7usVgtk/?mibextid…
I think there’s something more going on here than just “marketing”. Because if you look at the tiny thumbnail in the OP it’s very clearly red, and you can even load that thumbnail into an image editor and zoom in to see slightly reddish pixels.
So something happens when scaling this image that actually results in a red hue, and I don’t think my computers image scaling algorithms are also falling for “marketing”. I would guess it’s actually some kind of sub-pixel trick that makes it seem like there’s colors there which aren’t, and that’s why the image scaling algorithms also reveal the same colors you see.
Still red with no logo.
<img alt="" src="https://lemmy.world/pictrs/image/8972239e-f432-415e-951d-144c2dc73ee5.jpeg">
Thank you. I thought this was going to be like the dress.
The white and gold dress, you mean?
Exactly
White light has red in it. Cyan does not. We fatigue blue and green cones everywhere but the white can, and we only stimulate the red cones on the white can. The result is it looks red.
Except that there is. Alright, maybe not exactly, but…
The whites that you see as white (in the other white parts which don’t seem red), are shifted like
#E0F9F8. Notice the reduced reds there.The whites you see as red are shifted like
#F9F9F7. This one, I’d probably call yellow, but you get the point, reduced blues. There’s probably a better example pixel in there and I just haven’t found it.The red pixels in the thumbnail, well, maybe JPEG downscaling? I can’t say, because I don’t know what downscaling algorithm is being used.
So the parts you see as white, are actually bluish white in a sea of blue (Cyan is just mixtures of blue and green in case of RGB) and the part you see as red, are reddish white, in a sea or blue.
Also, for those who don’t see red, don’t look straight at the image. Look at something near it, with the image in your peripheral vision and you’ll get what others are saying. But I guess that happened while you were reading the title.
<img alt="i found red" src="https://lemmy.world/pictrs/image/a2ad58ea-79df-4cd6-9f28-42b57ff4d78f.jpeg">
…I was gonna say it took until it was shrunk down to the thumbnail to see red, but nope, it actually has red in it in the thumbnail.
<img alt="" src="https://programming.dev/pictrs/image/877ae6e7-eea2-44cc-9cc9-a78964fffde3.png"><img alt="" src="https://programming.dev/pictrs/image/2ffd3dcf-b573-426a-bfcf-2f577c3beded.png">
Guess this is specific to how often you see cans of coca-cola?
Here, I put the image through a ditherer (only available colours are black, cyan, white). I don’t see any red at all now.
<img alt="" src="https://programming.dev/pictrs/image/4e00624f-6c2c-4dee-9967-661effe9acc1.png">
[edit}
Actually, that “red” is mostly just gray so I played myself here. Still, the luminosity must be closer to red before I detect it as red, white doesn’t do it.
Here’s another version
The poster in the image is the original source for the coke can op posted btw
<img alt="" src="https://lemm.ee/pictrs/image/7d24f185-6311-4574-b000-6c97d49119b2.jpeg">