Dutch white (#EFDFBB) and Royal blue (#002366) appear together across 5 master palettes in our corpus, most prominently in the work of Christian Rohlfs, George Barbier, and Max Ernst and the Art Nouveau tradition. Painters typically deployed dutch white at an average of 18% of the canvas, with royal blue at 4%. Third colors most often completing the combination include Ecru (#C2B280), Ebony (#555D50), and Shadow (#8A795D).