Bone (#E3DAC9) and Periwinkle (#C3CDE6) appear together across 6 master palettes in our corpus, most prominently in the work of Jessie Arms Botke, Uemura Shoen, and Johan Hendrik Weissenbruch and the Naturalism tradition. Painters typically deployed bone at an average of 28% of the canvas, with periwinkle at 5%. Third colors most often completing the combination include Space cadet (#1D2951), Dark slate gray (#2F4F4F), and Pastel pink (#DEA5A4).