Air superiority blue (#72A0C1) and Smoky black (#100C08) appear together across 6 master palettes in our corpus, most prominently in the work of Henry Ossawa Tanner, Jozsef Rippl-Ronai, and Bertalan Por and the Post-Impressionism tradition. Painters typically deployed air superiority blue at an average of 19% of the canvas, with smoky black at 10%. Third colors most often completing the combination include Black olive (#3B3C36), Dark electric blue (#536878), and Charcoal (#36454F).