chromaticity diagram (redirected from colour triangle)
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Plane diagram showing the results of mixtures of colour stimuli, each chromaticity being represented by a single point on the diagram (Fig. C10). Syn.
colour triangle. See MacAdam ellipses
; CIE standard illuminants
; white light
; spectrum locus
Fig. C10 The CIE chromaticity diagram (1931) (W, white light illuminant C; C and D, complementary wavelengths)