Carnelian (#B31B1B) and Russet (#80461B) appear together across 4 master palettes in our corpus, most prominently in the work of Roderic O'Conor, Jehan Georges Vibert, and Antoine de Favray and the Impressionism tradition. Painters typically deployed carnelian at an average of 8% of the canvas, with russet at 12%. Third colors most often completing the combination include Eerie black (#1B1B1B), Zinnwaldite brown (#2C1608), and Gainsboro (#DCDCDC).