Bistre (#3D2B1F) and Eerie black (#1B1B1B) appear together across 6 master palettes in our corpus, most prominently in the work of John Jackson, Constantijn Netscher, and Nicolas Tournier and the Baroque tradition. Painters typically deployed bistre at an average of 38% of the canvas, with eerie black at 39%. Third colors most often completing the combination include Drab dark brown (#4A412A), Coffee (#6F4E37), and Khaki (#C3B091).