Ocher (#CC7722) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of Alessandro Pigna, Ralph Blakelock, and Solomon Joseph Solomon and the Academic Art tradition. Painters typically deployed ocher at an average of 15% of the canvas, with zinnwaldite brown at 12%. Third colors most often completing the combination include Seal brown (#59260B), Smoky black (#100C08), and Russet (#80461B).