Beau blue (#BCD4E6) and Platinum (#E5E4E2) appear together across 6 master palettes in our corpus, most prominently in the work of Antonio Jacobsen, William Merritt Chase, and Abbott Handerson Thayer and the Realism tradition. Painters typically deployed beau blue at an average of 25% of the canvas, with platinum at 13%. Third colors most often completing the combination include Khaki (#C3B091), Silver (#C0C0C0), and Metallic Sunburst (#9C7C38).