The oldest primary color set is red, yellow blue, r y b, which has been used by artists for many centuries. These are usually referred to as the pigment primaries, they are subtractive which means when mixed together that they overlap subtractive color mixing uses the principle of absorption to mix primary colors, a surface will absorb or reflect almost all light. Therefore, we will perceive the colored red when a surface absorbs any yellow or blue light and reflects back the red. Put simply subtractive color mixing is the production of colors by mixing dyes or pigments. The resulting color is always darker then Contributing colors subtractive color absorbs the light is pigment based and has the primary colors of red, yellow and blue. When these three are mixed evenly, a neutral black is produced.

Since no pigments are pure enough, they produce a doc dollish Brown