Links to Recipe Books:
1.) Color Mixing Recipes for Portraits: More than 500 Color Combinations for Skin, Eyes, Lips & Hair: William F. Powell
2.) 1,500 Color Mixing Recipes for Oil, Acrylic & Watercolor: Achieve precise color when painting landscapes, portraits, still lifes, and more: William F. Powell
3.) Color Mixing Recipes for Oil & Acrylic: Mixing recipes for more than 450 color combinations: William F. Powell
