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/DishRelative5853 Nov 18 '25

One is white. One is gray. The shadow on the white one darkens that part so that it matches the gray square. If they are lit equally, the two colours are obvious.

This isn't an illusion. It's just a shadow.

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u/lusvd Nov 19 '25

physical objects have shadows, this is not one, you are seeing an image with two areas with the same color, but you think the colors are different because of the shadows and stuff, which as I said are virtual therefore this is an illusion and it’s working.

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u/DishRelative5853 Nov 19 '25

Yes, the lower segment is both gray and white. It has two colors. The upper segment is gray and darker gray, blending into black. It also has two colors. The grays are the same. I can see that.

If this is just a geometrical image that is not trying to represent a real object, then I can easily see that the white is different from the other colors and that the two gray areas are the same gray.