Blood red (#660000) and Olive Drab (#3C341F) appear together across 6 master palettes in our corpus, most prominently in the work of Emily Mary Osborn, Jean Arp, and Leon Wyczółkowski and the Abstract Art tradition. Painters typically deployed blood red at an average of 16% of the canvas, with olive drab at 6%. Third colors most often completing the combination include Eerie black (#1B1B1B), Smoky black (#100C08), and Coquelicot (#FF3800).