spectral color (redirected from chromatic colour)

spectral color

In computer graphics, the color of a single wavelength of light, starting with violet at the low end and proceeding through indigo, blue, green, yellow and orange and ending with red.

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spectral color [′spek·trəl ′kəl·ər]

(optics)

A color corresponding to light of a pure frequency; the basic spectral colors are violet, blue-green, yellow, orange, and red.

A color that is represented by a point on the chromaticity diagram that lies on a straight line between some point on the spectral color (first definition) locus and the achromatic points; purple, for example, is not a spectral color.