Bone (#E3DAC9) and Firebrick (#B22222) appear together across 6 master palettes in our corpus, most prominently in the work of Vaszary János, Cagnaccio di San Pietro, and Jean Hey and the Magic Realism tradition. Painters typically deployed bone at an average of 30% of the canvas, with firebrick at 5%. Third colors most often completing the combination include Raisin black (#242124), Smoky black (#100C08), and Xumo (#413639).