Smoky black (#100C08) and Viridian (#40826D) appear together across 6 master palettes in our corpus, most prominently in the work of Johannes Sveinsson Kjarval, and Julio Romero de Torres and the Expressionism tradition. Painters typically deployed smoky black at an average of 16% of the canvas, with viridian at 4%. Third colors most often completing the combination include Isabelline (#F4F0EC), Xander (#44500C), and Black bean (#3D0C02).