Lightening or darkening a color by adding black or white is related to a modification of color brightness. Adding black is referred to as shading a color while admixing white is termed as tinting a color.

Shaded hues of red and orange change their appearance towards brown. Yellow moves towards a greenish tinge, while hues of green and blue simply appear darker. The tints of a color can also be referred to as pastel colors.

For related information, read the entry concerning light-dark contrast.