Arylide yellow (#E9D66B) and Red (#FE2712) appear together across 2 master palettes in our corpus, most prominently in the work of Sonia Delaunay and the Orphism (Simultanism) tradition. Painters typically deployed arylide yellow at an average of 4% of the canvas, with red at 12%. Third colors most often completing the combination include Royal blue (#002366), Pale pink (#FADADD), and Roman silver (#838996).