Bistre (#3D2B1F) and Silver (#C0C0C0) appear together across 6 master palettes in our corpus, most prominently in the work of Bernardo Bellotto, Joseph Farquharson, and Anatolio Scifoni and the Romanticism tradition. Painters typically deployed bistre at an average of 20% of the canvas, with silver at 15%. Third colors most often completing the combination include Eerie black (#1B1B1B), Khaki (#C3B091), and Shadow (#8A795D).