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The dress (lemmy.world)
submitted 6 months ago by to c/opticalillusions@feddit.nl
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The illusion that ruined friendships since 11 years ago.

Do you still see the dress as having the same colors as you first see it, or are the colors changing to you? I always see it as black and blue, and no matter what I do, I can't have my eyeballs see it as white and gold.

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[–] 13 points 6 months ago* (4 children)

The mystery has long been explained, particularly by this image from Wikipedia.

https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Wikipe-tan_wearing_The_Dress_reduced.svg/1280px-Wikipe-tan_wearing_The_Dress_reduced.svg.png

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  • [–] 4 points 6 months ago* (3 children)

    But that only works if you completely disregard the surrounding environment, right?

    Otherwise how do you explain the bright yellow lighting and overexposure? It would have to be blue... like in the example.

    That's the part I never got. In fact, that illustration seems like the perfect way of pointing out how it should not appear white and gold, based on the surrounding colors.

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  • [–] 1 point 6 months ago (1 child)

    The assumption from the people arguing white and gold was that the light was outside, and the dress was under a ceiling and it was darker inside. They would think this was backlit.

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  • [–] 0 points 6 months ago* (last edited 6 months ago)

    But then you would have light bleed around the edges. Unless you are in an extremely dark room, reflection and diffusion would make the curved edges of the dress receive some of that outside light. Yet the floor at the foot of the dress is well lit.

    Back to my original conception of things: understanding of lighting and photography makes the white-gold seem impossible.

    I do not deny that people can instinctually miss these details... But I am surprised that further analysis doesn't inevitably resolve in these conclusions.

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