File:Optical grey squares orange brown.svg

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Summary

Description	Optical grey squares orange brown.svg English: Optical illusion. Both circles and both squares are the exact same colour: HEX#D18600, HEX#707070. A colour picker can be used for verification.
Date	10 April 2007
Source	Created from en:File:Optical grey squares orange brown.png which in turn was derived from File:Optical.greysquares.arp.jpg
Author	user:JunCTionS (based on source)

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I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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Public domainPublic domainfalsefalse

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Width	344
Height	269

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