Copper red (#CB6D51) and Raisin black (#242124) appear together across 6 master palettes in our corpus, most prominently in the work of Roger de La Fresnaye, Emil Baerentzen, and Andre Derain and the Cubism tradition. Painters typically deployed copper red at an average of 21% of the canvas, with raisin black at 12%. Third colors most often completing the combination include Bole (#79443B), Dark liver (#543D37), and Umber (#635147).