Bone (#E3DAC9) and YInMn Blue (#2E5090) appear together across 6 master palettes in our corpus, most prominently in the work of Henri Matisse, Erich Heckel, and Limbourg brothers and the figurative tradition. Painters typically deployed bone at an average of 28% of the canvas, with yinmn blue at 6%. Third colors most often completing the combination include Quick Silver (#A6A6A6), Middle grey (#8B8680), and Zinc gray (#655B55).