Bone (#E3DAC9) and Zinc gray (#655B55) appear together across 6 master palettes in our corpus, most prominently in the work of Vincent van Gogh, Limbourg brothers, and Hans Holbein the Younger and the Post-Impressionism tradition. Painters typically deployed bone at an average of 42% of the canvas, with zinc gray at 12%. Third colors most often completing the combination include Khaki (#C3B091), Middle grey (#8B8680), and Shadow (#8A795D).