Brightness: Brightness is actually the measure of the combined intensity of the light.
Saturation: Saturation is the measure of purity of the colors.
Chromaticity: Chromaticity is the measure of brightness and saturation of the light.
Primary color: A single distinctive color in a spectrum is known as a primary color like Red.
Complementary colors: It is a combination of two colors which when combined produces white light, Like, Green and Magenta, Blue and Yellow, and Red and Cyan.
Color Gamut: In a color model three color combinations are used for making wide variety of. This pair is known as color gamut.