Manatee (#979AAA) and Slate blue (#6A5ACD) appear together across 2 master palettes in our corpus, most prominently in the work of Paul Jacoulet and the Post-Impressionism tradition. Painters typically deployed manatee at an average of 8% of the canvas, with slate blue at 8%. Third colors most often completing the combination include Trypan Blue (#1C05B3), Royal blue (#002366), and Artichoke green (#4B6F44).