Heliotrope gray (#AA98A9) and Van Dyke brown (#664228) appear together across 6 master palettes in our corpus, most prominently in the work of Domenico Ghirlandaio, Tobias Stranover, and Abbott Handerson Thayer and the Early Renaissance tradition. Painters typically deployed heliotrope gray at an average of 14% of the canvas, with van dyke brown at 8%. Third colors most often completing the combination include Bistre (#3D2B1F), Zinnwaldite brown (#2C1608), and Beaver (#9F8170).