Rich black (#010203) and Rose taupe (#905D5D) appear together across 6 master palettes in our corpus, most prominently in the work of Antoine Pesne, Arkhyp Kuindzhi, and Abbott Handerson Thayer and the Realism tradition. Painters typically deployed rich black at an average of 25% of the canvas, with rose taupe at 6%. Third colors most often completing the combination include Raisin black (#242124), Dark purple (#301934), and Dark sienna (#3C1414).