Noun | 1. | primary color - any of three colors from which all others can be obtained by mixing color, coloring, colouring, colour - a visual attribute of things that results from the light they emit or transmit or reflect; "a white color is made up of many different wavelengths of light" primary color for pigments, primary colour for pigments - any of three pigments from which all colors can be obtained by mixing; "the primary colors for pigments are red, blue, and yellow" primary color for light, primary colour for light - any of three primary colors of light from which all colors can be obtained by additive mixing; "the primary colors for light are red, blue, and green" |