Rocket metallic (#8A7F80) and Umber (#635147) appear together across 6 master palettes in our corpus, most prominently in the work of Claude Monet, Paul Hoecker (Höcker), and Valentin Serov and the Impressionism tradition. Painters typically deployed rocket metallic at an average of 16% of the canvas, with umber at 12%. Third colors most often completing the combination include Raisin black (#242124), Khaki (#C3B091), and Eerie black (#1B1B1B).