Chinese red (#AA381E) and Persian blue (#1C39BB) appear together across 5 master palettes in our corpus, most prominently in the work of Heinrich Campendonk, Sonia Delaunay, and Max Ernst and the flower painting tradition. Painters typically deployed chinese red at an average of 4% of the canvas, with persian blue at 18%. Third colors most often completing the combination include Arylide yellow (#E9D66B), Silver sand (#BFC1C2), and Cultured Pearl (#F5F5F5).