color triangle

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col·or tri·an·gle

(kŭl'ŏr trī'ang-gĕl),
A graph on which chromaticity coordinates are plotted.
References in periodicals archive ?
More advanced students can research the Maratta color triangle and experiment with the system on this or another project.
At the base of a triangle lies the grey scale from white (W) to black (S), at the top of the triangle there is a shade in the maximum concentration of color in any color triangle given have an identical shade, but differ on tone, i.