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303 points
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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.

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76 points

Can you do that and post it?

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264 points
104 points

Well color me impressed.

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31 points
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Grab your pitchforks gang. OP is selling us snake oil posts!!!

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6 points

Now send this version (with the same unedited caption) to everyone.

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4 points

Strange, I see the OP picture as red, but this one as black & white.

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37 points

He’s right.

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2 points

You guys never cease to amaze me.

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5 points

Huh, it shows up as black to me.

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It depends on the size you are viewing it at. This works well on small screens but less well on large screens

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6 points

Let’s hope it’s the size of the image and not the responding user’s revelation they are red green deficient lol

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5 points

so it would appear red even if it was another can?

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3 points

yes, obviously

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4 points

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.

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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.

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6 points

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.

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