Burnt sienna (#E97451) and Rich black (#010203) appear together across 6 master palettes in our corpus, most prominently in the work of Tamara de Lempicka, Niko Pirosmani, and Juan José Rosales and the Art Deco tradition. Painters typically deployed burnt sienna at an average of 26% of the canvas, with rich black at 4%. Third colors most often completing the combination include Jet (#343434), Café au lait (#A67B5B), and Seal brown (#59260B).