Khaki (#C3B091) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of Ludwig Knaus, Marie Bracquemond, and Oswald Achenbach and the Romanticism tradition. Painters typically deployed khaki at an average of 35% of the canvas, with zinnwaldite brown at 12%. Third colors most often completing the combination include Smoky black (#100C08), Café noir (#4B3621), and Shadow (#8A795D).