Dark sienna (#3C1414) and Smoky black (#100C08) appear together across 6 master palettes in our corpus, most prominently in the work of Titian, Louis Cheron, and Saturnino Herran and the Baroque tradition. Painters typically deployed dark sienna at an average of 46% of the canvas, with smoky black at 19%. Third colors most often completing the combination include Zinnwaldite brown (#2C1608), Bistre (#3D2B1F), and Seal brown (#59260B).