Olive Drab (#3C341F) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of John Bauer, Joseph Adam, and Peter Jacob Horemans and the Romanticism tradition. Painters typically deployed olive drab at an average of 30% of the canvas, with zinnwaldite brown at 20%. Third colors most often completing the combination include Smoky black (#100C08), Café noir (#4B3621), and Eerie black (#1B1B1B).