Gray color illusion

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12 Optical Illusions Made from Shadows «TwistedSifterFile:Gray square illusion.png - Wikipedia

University of Glasgow - Schools - School of HumanitiesColor IllusionsThis Amazing Checker shadow illusion will blow your mind

TYWKIWDBI ("Tai-Wiki-Widbee"): Shades of gray optical illusion8 Optical Illusions You Can Find Online, Because They'reDon't believe your eyes: These two blocks are the SAMEWhat kind of sorcery illusion lets these two blocks be the

Same color - Different perceptionSame Colored Checkers Illusion

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Color Adapting

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