Jet (#343434) and Umber (#635147) appear together across 6 master palettes in our corpus, most prominently in the work of Karl Wilhelm Diefenbach, Ivan Mrkvička, and Luis Ricardo Falero and the Symbolism tradition. Painters typically deployed jet at an average of 23% of the canvas, with umber at 26%. Third colors most often completing the combination include Khaki (#C3B091), Shadow (#8A795D), and Middle grey (#8B8680).