Utilizing colors that occupy balanced positions on the color wheel, these Heavy Body acrylic sets help artists who might be confused by the multitudes of reds, yellows and blues available. Each set includes an instructional insert that teaches basic color mixing and gives a better understanding of the primary system. The four-color set includes Acra crimson, phthalocyanine blue, titanium white and yellow light hansa. The six-color set includes the above colors plus ivory black and transparent mixing white.