Chromatic is the title of a CD by Swiss hip hop group Sens Unik
Source
Shir-Cliff et al (1965). Chromatic Harmony. New York, The Free Press.
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The diagram at lower left is a rough rendering of the 1931 CIE colors on the chromaticity diagram.
On the CIE chromaticity diagram at left, some annotation is made about the significance of different parts of the diagram.
One characteristic of the commonly used 1931 CIE Chromaticity Diagram that is evident even from this crude portrayal is that the green takes up far too much of the landscape compared to the number of visually different colors in the region.