Amaranth deep purple (#9F2B68) and Chinese red (#AA381E) appear together across 3 master palettes in our corpus, most prominently in the work of Diego Rivera and the Social Realism tradition. Painters typically deployed amaranth deep purple at an average of 7% of the canvas, with chinese red at 12%. Third colors most often completing the combination include Smoky black (#100C08), Raisin black (#242124), and Zinnwaldite brown (#2C1608).