chromaticity diagram

noun

1. physics a diagram in which values of two chromaticity coordinates are marked on a pair of rectangular axes, a point in the plane of these axes representing the chromaticity of any colour

Example Sentences

Printers are generally better than digital monitors or CRT's: but the fundamental problem is that the gamut of colours seen by the eye is roughly horseshoe shaped when plotted as a chromaticity diagram, whereas the convex combination of any number of pigments can only be a straight-sided approximation of a horseshoe shape.

From New York Times