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Here’s another version
The poster in the image is the original source for the coke can op posted btw
…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.
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.
[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.
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.
Still red with no logo.
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.
Thank you. I thought this was going to be like the dress.
The white and gold dress, you mean?
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.
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
I’m colorblind this trick doesn’t work with me
Your mind compensates for the teal which makes the white look red.
then why are the other parts still white
Weird but if I focus my mind so to say it appears white but then if I relax then again red
This is one of those actually cool optical illusions
It’s actually all just white light at different wavelengths, which tricks your brain into seeing different “colours”.
Making your brain do exactly what it’s supposed to do is a weird way is “tricking” it.
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”.
The “white” is actually very pale pink. At least on my phone screen
My phone makes it pink too. But you can still see some effective difference when zooming in/out.
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.
Might have a blue light filter on your phone or something
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
Here is an 8 minute video that goes into more depth on how this works. https://www.youtube.com/watch?v=0FjjJha7HMI
