Abstract

The additivity of color matches to short-wavelength lights was examined in observers who behaved as red–green dichromats under the stimulus conditions used. Color matches were obtained at several luminance levels and on several different adapting backgrounds. The range of mixtures acceptable as a match and the midpoint of this range varied considerably over different conditions. However, for each observer, a set of mixtures that remained a match under all conditions could always be found. Results suggest that the additivity laws hold for these observers in the sense that there is a color match that remains a match under all conditions.

© 1984 Optical Society of America

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