Indian yellow (#E3A857) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of William Rimmer, Giotto, and Solomon Joseph Solomon and the Romanticism tradition. Painters typically deployed indian yellow at an average of 23% of the canvas, with zinnwaldite brown at 13%. Third colors most often completing the combination include Smoky black (#100C08), Seal brown (#59260B), and Copper (#B87333).