Bistre brown (#967117) and Zinnwaldite brown (#2C1608) appear together across 6 master palettes in our corpus, most prominently in the work of Henry Raeburn, Juan Carreno de Miranda, and Michelangelo Cerquozzi and the Baroque tradition. Painters typically deployed bistre brown at an average of 31% of the canvas, with zinnwaldite brown at 8%. Third colors most often completing the combination include Café noir (#4B3621), Field drab (#6C541E), and Smoky black (#100C08).