Smoky black (#100C08) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of Lazzaro Baldi, Cornelis Saftleven, and Nicolas Tournier and the Baroque tradition. Painters typically deployed smoky black at an average of 44% of the canvas, with zinnwaldite brown at 36%. Third colors most often completing the combination include Café noir (#4B3621), Seal brown (#59260B), and Van Dyke brown (#664228).