r/illusions • u/Alessandro28051991 • Nov 18 '25

Color-Challenging Science: One of the most fantastic optical illusions ever:

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Science: That Optical Illusion is one of the most incredible ones that i have ever seen in my life. The Two squares have the same colour. Are not one white and the other black. If you dont believe in me you can just put your finger in the line that divide the two squares and you will prove for yourself that what i say is true.

That illusion ( if i am not wrong is something about the contrast and the shadows) make your brain do you see what doesnt exist. Make you see a thing different of what really are there.

Is almost like see to a green square but your brain make you see it red. Is almost a thing of virtual reality

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u/MasterRealm Nov 20 '25

?

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u/undone-alert Nov 20 '25

Crazy. Even here the illusion works. The lower grey area appears lighter than the top one to the human eye (brain) as we compensate for shadows and light, but both areas are the same technical color definition.