Prairie gold (#E1CA7A) and Seal brown (#59260B) appear together across 6 master palettes in our corpus, most prominently in the work of Giuseppe De Nittis, Thomas Lawrence, and Ludwig Deutsch and the Impressionism tradition. Painters typically deployed prairie gold at an average of 18% of the canvas, with seal brown at 10%. Third colors most often completing the combination include Zinnwaldite brown (#2C1608), Smoky black (#100C08), and Russet (#80461B).