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Same color illusion

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Squares A and B are the same color.
As the cylinder's shadow forms square B appears to lighten.

The same color illusion — also known as Adelson’s checker shadow illusion, checker shadow illusion and checker shadow — is an optical illusion published by Ted Adelson in 1995. The squares A and B on the illusion are of the same color (or shade), although they seem to be different.

"When interpreted as a 3-dimensional scene, our visual system immediately estimates a lighting vector and uses this to judge the property of the material."[1]

[edit] See also

[edit] References

  1. michaelbach.de. URL accessed on 2006-06-10.

[edit] External links

Smallwikipedialogo.png This page uses content from the English-language version of Wikipedia. The original article was at Same color illusion. The list of authors can be seen in the page history. As with Psychology Wiki, the text of Wikipedia is available under the GNU Free Documentation License.