Bistre (#3D2B1F) and Platinum (#E5E4E2) appear together across 6 master palettes in our corpus, most prominently in the work of Martin Ferdinand Quadal, Gabriel von Max, and Joseph Clark and the Realism tradition. Painters typically deployed bistre at an average of 31% of the canvas, with platinum at 13%. Third colors most often completing the combination include Smoky black (#100C08), Khaki (#C3B091), and Shadow (#8A795D).