Bistre brown (#967117) and Willpower orange (#FD5800) appear together across 2 master palettes in our corpus, most prominently in the work of Jean Arp and the Abstract Art tradition. Painters typically deployed bistre brown at an average of 6% of the canvas, with willpower orange at 2%. Third colors most often completing the combination include Beige (#F5F5DC), Silver chalice (#ACACAC), and Bistre (#3D2B1F).