Gray (#808080) and Shadow (#8A795D) appear together across 6 master palettes in our corpus, most prominently in the work of Francesco Paolo Michetti, Jane Sutherland, and Joseph Michael Gandy and the Impressionism tradition. Painters typically deployed gray at an average of 23% of the canvas, with shadow at 11%. Third colors most often completing the combination include Khaki (#C3B091), Davy's grey (#555555), and Zinc gray (#655B55).