Subtractive color mixing also includes the color referred to as process color that is cyan, magenta and yellow CNY. Process colors are the three subtractive primary colors, generally used in printing by photo mechanical reproduction processes. This has been standardized internationally to those needed for subtractive synthesis, cyan, magenta yellow. These do not add up to black. The dots of color on a printed page or poster absorb light, but it is because our eye optically blends them that we see the entire range of color as a result, basically Memories a medial and add up to a neutral gray