we would still do that even if celebrities like joan rivers did not chase after youthful looks but they would actually look their ages if this sounds like a rant from a 60 year old woman of low self esteem it isn t meant to be
Tints and shades. In color theory, a tint is the mixture of a color with white, which increases lightness, and a shade is the mixture of a color with black, which reduces lightness. A tone is produced either by the mixture of a color with gray, or by both tinting and shading.
The science of color is sometimes called chromatics, colorimetry, or simply color science. It includes the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic radiation in the visible range (that is, what is commonly referred to simply as light).