Bone (#E3DAC9) and Ivory (#FFFFF0) appear together across 6 master palettes in our corpus, most prominently in the work of El Lissitzky, Felicien Rops, and Pasquale Celommi and the Suprematism tradition. Painters typically deployed bone at an average of 40% of the canvas, with ivory at 11%. Third colors most often completing the combination include Tan (#D2B48C), Khaki (#C3B091), and Middle grey (#8B8680).