Knowledgebase
The small squares overlaid on my target image aren’t in color; they appear to be gray. Why is this?
Posted by Raphael Graf on 09 June 2011 12:10 PM
This is actually an optical illusion.

If you use any of the alignment markers to resize your image, you will find, once they are located on a different colored background, your patches are actually quite colorful.
Its just against the even more saturated background of the matching patches that they can appear gray.

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