Gunmetal (#2a3439) and Shadow (#8A795D) appear together across 6 master palettes in our corpus, most prominently in the work of Mommie Schwarz, Michael Zeno Diemer, and Gheorghe Tattarescu and the Avant-garde tradition. Painters typically deployed gunmetal at an average of 26% of the canvas, with shadow at 16%. Third colors most often completing the combination include Khaki (#C3B091), Davy's grey (#555555), and Spanish gray (#989898).