Bone (#E3DAC9) and Prussian blue (#003153) appear together across 6 master palettes in our corpus, most prominently in the work of Andrea Mantegna, Francesco de' Rossi (Francesco Salviati), "Cecchino", and Howard Pyle and the Early Renaissance tradition. Painters typically deployed bone at an average of 22% of the canvas, with prussian blue at 8%. Third colors most often completing the combination include Raisin black (#242124), Khaki (#C3B091), and Eerie black (#1B1B1B).