“The system consists of ten specially formulated colors, thirteen standard palette colors, and white. The ten Flesh Color Spectrum colors are used in combination with the traditional palette of standard colors to produce a wide range of clean, exact, flesh tones. …Light 2. A basic flesh tone. Combines white, yellow ochre, cadmium red light and cerulean blue. …Halftone 1. A cool halftone, especially helpful as a starting point in painting receding planes. Combines white, yellow ochre, cadmium red light and viridian.” -John Howard Sanden Pro-Mix Oils