Bistre (#3D2B1F) and Smoky black (#100C08) appear together across 6 master palettes in our corpus, most prominently in the work of Gerard Terborch, Artemisia Gentileschi, and Huygh Pietersz Voskuyl and the Baroque tradition. Painters typically deployed bistre at an average of 39% of the canvas, with smoky black at 29%. Third colors most often completing the combination include Van Dyke brown (#664228), Coffee (#6F4E37), and Drab dark brown (#4A412A).