Colour vision. Adapting to change.
The colours we see reflect not only the light wavelengths presently being detected, but also those already received. To understand colour constancy therefore requires an understanding of adaptation in the visual system.
Walsh
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D000222:Adaptation, Physiological; D000818:Animals; D003118:Color Perception / Q000502:physiology*; D006801:Humans; D008954:Models, Biological