Maximum blue purple (#ACACE6) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of Christoffer Wilhelm Eckersberg, and Nicolas Poussin and the Neoclassicism tradition. Painters typically deployed maximum blue purple at an average of 6% of the canvas, with zinnwaldite brown at 4%. Third colors most often completing the combination include Coffee (#6F4E37), Smoky black (#100C08), and Khaki (#C3B091).