Dark slate blue (#483D8B) and Desert sand (#EDC9AF) appear together across 6 master palettes in our corpus, most prominently in the work of Camille Bombois, Christian Rohlfs, and Azim Azimzade and the Naïve Art (Primitivism) tradition. Painters typically deployed dark slate blue at an average of 7% of the canvas, with desert sand at 6%. Third colors most often completing the combination include Phthalo blue (#000F89), English violet (#563C5C), and Floral white (#FFFAF0).