Middle grey (#8B8680) and Raisin black (#242124) appear together across 6 master palettes in our corpus, most prominently in the work of Daniel Ridgway Knight, Jehan Georges Vibert, and Mary Cassatt and the Academic Art tradition. Painters typically deployed middle grey at an average of 25% of the canvas, with raisin black at 18%. Third colors most often completing the combination include Khaki (#C3B091), Dark lava (#483C32), and Bone (#E3DAC9).