Air superiority blue (#72A0C1) and Khaki (#C3B091) appear together across 6 master palettes in our corpus, most prominently in the work of Léon Cogniet, Rubens Santoro, and Vajda Lajos and the Romanticism tradition. Painters typically deployed air superiority blue at an average of 19% of the canvas, with khaki at 10%. Third colors most often completing the combination include Shadow (#8A795D), Bone (#E3DAC9), and Silver sand (#BFC1C2).