color circle


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Related to color circle: color wheel, colour wheel

color circle

[′kəl·ər ‚sər·kəl]
(optics)
An arrangement of hues about the circumference of a circle in the order in which they appear in the electromagnetic spectrum, with pairs of complementary colors at opposite ends of diameters.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Newton was the first to publish a color circle, albeit an uncolored
if at all, in reproductions of the brilliant color circles and charts
color circles in his color treatise: one presents prismatic
The allocated colors are presented in a horizontal projection (on a color circle) and in a vertical projection (on a color triangle) separately for three periods.
The formulas for converting from HSI to RGB coordinates take on slightly different form for different sectors of the color circle (Castleman, 1996).
Thus it may be productive to segment the image in the hue-saturation plane (i.e., on the color circle) rather than in three-dimensional color space, thereby ignoring intensity altogether.