Yellow paint absorbs some blue-wavelength light. When these colors are combined, the mixture partially absorbs both red and blue wavelengths, resulting in a green color. Magenta pigments absorb some green light, so mixing equal amounts of equally bright cyan, yellow and magenta paint results in gray. read more
No combination of other colors can be used to make white paint because any other color of paint absorbs some of at least one particular wavelength. Combining paints or filters to form other colors is known as subtractive color mixing. read more
Use white and black paint to alter the tinting, saturation, and shading of a color. Tint and shade refer to how light or dark a color appears. Saturation is how "intense" or grey a color appears. Experiment with mixing in small amounts of white or black paint to create variations on the basic colors. read more