Color

Subtractive

Colors made with pigment

Additive

Colors made with light

Partitive

Colors made with spots

Above are three systems of color, each different depending on how the colors are created. Okay, so spoilers here, all color is really made with light. 

COLOR is ... 

A CULTURAL understanding of

our BRAIN'S interpretation of
the signals sent to it from

the PHOTORECEPTORS in our EYES
that register specific frequencies

of reflected ELECTRO-MAGNETIC WAVES
(and maybe also PARTICLES)

     also known as ...
LIGHT