Best Color Illusion I’ve Seen


From Bad Astronomy. It takes no work to see the illusion, but a lot of effort to see past it.

The "blue" and "green" swirls are exactly the same color. Don’t believe me? Verify it for yourself.

  1. #1 by Ira on July 8, 2009 - 8:37 pm

    Very impressive! I had to copy an area of “green” swirl and an area of “blue” swirl and expand them and place them adjacent to each other to prove they were the exact same aqua color, see here. Even though my reasoning brain knows they are the same, I cannot get my visual brain to admit it!

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