color saturation is used to describe the intensity of color in the image. A saturated image has overly bright colors.
Geometric constraints include parallelism, perpendicularity, concentricity and symmetry (sorry if it’s wrong)
Black<span> is not a </span>color<span>; a </span>black<span> object absorbs all the </span>colors<span> of the visible spectrum and reflects none of them to the eyes. The grey area about </span>black<span>: A </span>black<span> object may look </span>black<span>, but, technically, it may still be reflecting some light.</span>
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I needed this... thank you