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Continue to ChatQuery : How to make a color appear the same on different backgrounds? Background on color perception: Due to the nature of the human eye and visual processing by the brain, there's an optical illusion https://vmapp.org/query/10885/How-To-Make-A-Color-Appear-The-Same-On-Different-Backgrounds-Background-On-Color-Perception-Due-To-The-Nature-Of-The-Human-Eye-And-Visual-Processing-By-The-Brain-There-S-An-Optical-Illusion/