Amaranth deep purple (#9F2B68) and Smoky black (#100C08) appear together across 5 master palettes in our corpus, most prominently in the work of Henri Matisse and the Impressionism tradition. Painters typically deployed amaranth deep purple at an average of 7% of the canvas, with smoky black at 7%. Third colors most often completing the combination include Xumo (#413639), Maximum blue (#47ABCC), and Cadmium orange (#ED872D).