color circle

To cite an example from the book, the color circle has sectors of an annulus (the region) representing a particular color, say, red (the closer to the center, the smaller the hue).

The angular component of a complex value determines the hue by mapping the angle to a corresponding position on a color circle.

Hue and saturation are illustrated by the color circle in Figure 3.

Diagrams nicely demonstrate concepts such as polarization, particle scattering, and color circles.

The distant shot, taken with a camera Bello clamped to an overhead railing, pictured the wrestlers and referee amidst a sea of concentric color circles on a large mat.