Bone (#E3DAC9) and Burnt sienna (#E97451) appear together across 6 master palettes in our corpus, most prominently in the work of Guernsey Moore, Leopoldo Metlicovitz, and Erich Buchholz and the Art Nouveau tradition. Painters typically deployed bone at an average of 24% of the canvas, with burnt sienna at 12%. Third colors most often completing the combination include Tan (#D2B48C), Umber (#635147), and Fuzzy Wuzzy (#87421F).