Dark sienna (#3C1414) and Safety orange (#FF6700) appear together across 1 master palette in our corpus, most prominently in the work of Jean Arp and the Abstract Art tradition. Painters typically deployed dark sienna at an average of 8% of the canvas, with safety orange at 17%. Third colors most often completing the combination include Cultured Pearl (#F5F5F5), Olive Drab (#3C341F), and Carnelian (#B31B1B).