Columbia Blue (#B9D9EB) and Isabelline (#F4F0EC) appear together across 6 master palettes in our corpus, most prominently in the work of Carle Vernet, and J.M.W. Turner and the Neoclassicism tradition. Painters typically deployed columbia blue at an average of 11% of the canvas, with isabelline at 8%. Third colors most often completing the combination include Black olive (#3B3C36), Khaki (#C3B091), and Xanadu (#738678).