Palette

A palette is:

a surface on which a painter mixes colour pigments. A palette may be made of wood, glass, plastic, ceramic tile or other inert

material and can vary greatly in size and shape. The most commonly known type of painter's palette is made of thin wood board designed to be held in the artist's hand and rest on the artist's arm.

a set of colours put on a palette, or in a more general sense, a particular set or quality of colours.

an analogous range of choices in fine arts or design, e. g. Ravel’s orchestral palette.

Palette (computing), a set of colors available in a computer graphics system, or a small window, or section of a window that's readily exessable for quick and frequent menu choices.