Bistre (#3D2B1F) and Middle grey (#8B8680) appear together across 6 master palettes in our corpus, most prominently in the work of Marcus Gheeraerts the Younger, Francis Danby, and Luther Emerson van Gorder and the Romanticism tradition. Painters typically deployed bistre at an average of 25% of the canvas, with middle grey at 15%. Third colors most often completing the combination include Eerie black (#1B1B1B), Khaki (#C3B091), and Coffee (#6F4E37).