Ghost white (#F8F8FF) and Zinnwaldite brown (#2C1608) appear together across 3 master palettes in our corpus and the Synthetic Cubism tradition. Painters typically deployed ghost white at an average of 7% of the canvas, with zinnwaldite brown at 4%. Third colors most often completing the combination include Smoky black (#100C08), Wheat (#F5DEB3), and Copper (#B87333).