Raisin black (#242124) and Red-violet (#922B3E) appear together across 6 master palettes in our corpus, most prominently in the work of Dmitry Levitzky, Alexander Rodchenko, and Mikhail Shibanov and the Cubism tradition. Painters typically deployed raisin black at an average of 26% of the canvas, with red-violet at 5%. Third colors most often completing the combination include Rich black (#010203), Taupe gray (#8B8589), and Antique brass (#C88A65).