Dark sienna (#3C1414) and Russet (#80461B) appear together across 6 master palettes in our corpus, most prominently in the work of Bertalan Szekely, Louis Cheron, and Frans Snyders and the Baroque tradition. Painters typically deployed dark sienna at an average of 36% of the canvas, with russet at 9%. Third colors most often completing the combination include Smoky black (#100C08), Seal brown (#59260B), and Copper (#B87333).