Copper (#B87333) and Pine green (#2A2F23) appear together across 6 master palettes in our corpus, most prominently in the work of Bernardo Strozzi, Giovanni Battista Gaulli, and Gilbert Soest and the Baroque tradition. Painters typically deployed copper at an average of 23% of the canvas, with pine green at 11%. Third colors most often completing the combination include Drab dark brown (#4A412A), Café noir (#4B3621), and Smoky black (#100C08).