According to the fundamental basis of color theory, color is a property of what? Inreality, this is the source of all color:

Color is the property of Hue, Lightness, Chroma, and Value

Explanation:

Understanding basic color theory will not only assist you in post, but it will help with set design, costume, lighting and so much more. Color itself has three primary qualities: Hue, Chroma, and Value, also known as Hue, Saturation, and Lightness.

visible light

Explanation:

you cant see color without light

a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)

the previous answer given.