Abstract

A quantitative model for an opponent-colors theory of vision is presented that is based on the CIE color mixture data for the standard observer. The model is used to account for spectral brightness, saturation, and hue and some of their associated psychophysical functions in both normal and dichromatic vision. Special attention is given to an account of the Bezold-Brücke hue shift, and to changes in saturation and wavelength discrimination with changes in stimulus luminance.

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