Russet (#80461B) and Smoky black (#100C08) appear together across 6 master palettes in our corpus, most prominently in the work of Daniel Huntington, Antoniazzo Romano, and Caravaggio and the Romanticism tradition. Painters typically deployed russet at an average of 25% of the canvas, with smoky black at 12%. Third colors most often completing the combination include Zinnwaldite brown (#2C1608), Bistre (#3D2B1F), and Seal brown (#59260B).