Prairie gold (#E1CA7A) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of François Gérard, Nicolaas Verkolje, and Rudolf Jordan and the Neoclassicism tradition. Painters typically deployed prairie gold at an average of 20% of the canvas, with zinnwaldite brown at 12%. Third colors most often completing the combination include Smoky black (#100C08), Café noir (#4B3621), and Metallic Sunburst (#9C7C38).