Café noir (#4B3621) and Dark sky blue (#8CBED6) appear together across 6 master palettes in our corpus, most prominently in the work of Alexandre-Hyacinthe Dunouy, Albert Zimmermann, and Jakob Alt and the Romanticism tradition. Painters typically deployed café noir at an average of 14% of the canvas, with dark sky blue at 10%. Third colors most often completing the combination include Ash gray (#B2BEB5), Zinnwaldite brown (#2C1608), and Field drab (#6C541E).