Bone (#E3DAC9) and Light periwinkle (#C5CBE1) appear together across 6 master palettes in our corpus, most prominently in the work of John Henry Twachtman, Clarence Gagnon, and Pietro da Cortona and the Impressionism tradition. Painters typically deployed bone at an average of 18% of the canvas, with light periwinkle at 12%. Third colors most often completing the combination include Spanish gray (#989898), Raisin black (#242124), and Quick Silver (#A6A6A6).