Ivory (#FFFFF0) and Zinnwaldite brown (#2C1608) appear together across 4 master palettes in our corpus, most prominently in the work of Arnold Böcklin, Armando Montaner Valdueza, and William Gilbert Foster and the Symbolism tradition. Painters typically deployed ivory at an average of 13% of the canvas, with zinnwaldite brown at 8%. Third colors most often completing the combination include Smoky black (#100C08), Lavender (#E6E6FA), and Olive Drab (#3C341F).