Drab dark brown (#4A412A) and Opal (#A8C3BC) appear together across 6 master palettes in our corpus, most prominently in the work of Carl Bloch, Peter Busch, and Louis Léopold Robert and the Romanticism tradition. Painters typically deployed drab dark brown at an average of 27% of the canvas, with opal at 11%. Third colors most often completing the combination include Pine green (#2A2F23), Ash gray (#B2BEB5), and Khaki (#C3B091).