Café noir (#4B3621) and Periwinkle (#C3CDE6) appear together across 6 master palettes in our corpus, most prominently in the work of Jean-Joseph-Xavier Bidauld, Gabriele Smargiassi, and Luc-Olivier Merson and the Romanticism tradition. Painters typically deployed café noir at an average of 11% of the canvas, with periwinkle at 6%. Third colors most often completing the combination include Coyote brown (#81613C), Lion (#DECC9C), and Raisin black (#242124).