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Colour optical illusion
(lemmy.nz)
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this post was submitted on 31 May 2026
546 points (92.0% liked)
Mildly Interesting
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The one that always gets me is the light/dark image that has the same grey in two places, and on one side it looks like darkness and on the other like light.
Basically, these: https://duckduckgo.com/?q=grey+illusion+light+dark&ia=images&iax=images