did someone say vibrant? Vibrant is good.pic.twitter.com/eFaJbxa7QV
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the actual father of colored Op Art http://www.halrogoff.com
Too bad NO catalog.
This is right up your alley @gretchenrubin . 
Who knows for sure what we see. Blue to you could be yellow to someone else and because everyone agrees to call it Red we call it Red.
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