Eton blue (#96C8A2) and Isabelline (#F4F0EC) appear together across 3 master palettes in our corpus, most prominently in the work of Hilma af Klint, and Christopher Wood and the Naïve Art (Primitivism) tradition. Painters typically deployed eton blue at an average of 4% of the canvas, with isabelline at 26%. Third colors most often completing the combination include Dutch white (#EFDFBB), Tan (#D2B48C), and Khaki (#C3B091).