A demo of color afterimage: The opposite color of an adapted color is observed.pic.twitter.com/ayTE7EMQqI
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The color afterimage of the illusory yellowish hearts is magenta whereas that of the whitish (slightly bluish) hearts is orange.pic.twitter.com/2FVIrw5z4l
The color afterimages of some reddish pixels are reddish.pic.twitter.com/hinFoe8uGu
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