Bistre (#3D2B1F) and Shadow (#8A795D) appear together across 6 master palettes in our corpus, most prominently in the work of Jan Wyck, Edward Collier, and Francisco Barrera and the Baroque tradition. Painters typically deployed bistre at an average of 27% of the canvas, with shadow at 23%. Third colors most often completing the combination include Eerie black (#1B1B1B), Khaki (#C3B091), and Drab dark brown (#4A412A).