Mustard (#FFDB58) and Zinnwaldite brown (#2C1608) appear together across 4 master palettes in our corpus, most prominently in the work of David Wilkie, Diego Rivera, and Edward Ladell and the Romanticism tradition. Painters typically deployed mustard at an average of 11% of the canvas, with zinnwaldite brown at 8%. Third colors most often completing the combination include Van Dyke brown (#664228), Raw umber (#826644), and Smoky black (#100C08).