Dark slate gray (#2F4F4F) and Drab dark brown (#4A412A) appear together across 6 master palettes in our corpus, most prominently in the work of Luke Fildes, Polychronis Lembesis, and Pierre Puvis de Chavannes and the Romanticism tradition. Painters typically deployed dark slate gray at an average of 16% of the canvas, with drab dark brown at 9%. Third colors most often completing the combination include Pine green (#2A2F23), Eerie black (#1B1B1B), and Ebony (#555D50).