The Merriam-Webster definition of “color” that we, as photographic artists, are concerned with is:
1 a : a phenomenon of light (such as red, brown, pink, or gray) or visual perception that enables one to differentiate otherwise identical objects
b (1) : the aspect of the appearance of objects and light sources that may be described in terms of hue, lightness, and saturation for objects and hue, brightness, and saturation for light.
also : a specific combination of hue, saturation, and lightness or brightness
(2) : a color other than and as contrasted with black, white, or gray