Bistre (#3D2B1F) and Outer space (#2D383A) appear together across 6 master palettes in our corpus, most prominently in the work of Marie-Victoire Lemoine, Émile Auguste Hublin, and Edvard Munch and the Romanticism tradition. Painters typically deployed bistre at an average of 21% of the canvas, with outer space at 11%. Third colors most often completing the combination include Eerie black (#1B1B1B), Shadow (#8A795D), and Smoky black (#100C08).