Bistre (#3D2B1F) and Spanish bistre (#807532) appear together across 6 master palettes in our corpus, most prominently in the work of Mikhail Lebedev, Rosa Bonheur, and Marià Fortuny and the Romanticism tradition. Painters typically deployed bistre at an average of 21% of the canvas, with spanish bistre at 12%. Third colors most often completing the combination include Drab dark brown (#4A412A), Eerie black (#1B1B1B), and Khaki (#C3B091).