Bone (#E3DAC9) and Middle red purple (#A55353) appear together across 6 master palettes in our corpus, most prominently in the work of Paul de Longpré, Shotei Takahashi, and Franz Marc and the Academic Art tradition. Painters typically deployed bone at an average of 31% of the canvas, with middle red purple at 6%. Third colors most often completing the combination include Zinc gray (#655B55), Raisin black (#242124), and Quick Silver (#A6A6A6).