Bone (#E3DAC9) and Taupe gray (#8B8589) appear together across 6 master palettes in our corpus, most prominently in the work of Stefan Popescu, Hippolyte Petitjean, and Uemura Shoen and the Impressionism tradition. Painters typically deployed bone at an average of 37% of the canvas, with taupe gray at 9%. Third colors most often completing the combination include Khaki (#C3B091), Raisin black (#242124), and Umber (#635147).