Blue (#0093AF) and Shadow (#8A795D) appear together across 4 master palettes in our corpus, most prominently in the work of Karl Wilhelm Diefenbach, Bartolomeo Pinelli, and John Ruskin and the Romanticism tradition. Painters typically deployed blue at an average of 7% of the canvas, with shadow at 9%. Third colors most often completing the combination include Old lace (#FDF5E6), Timberwolf (#DBD7D2), and Olive (#808000).