Eerie black (#1B1B1B) and Old burgundy (#43302E) appear together across 6 master palettes in our corpus, most prominently in the work of Columbano Bordalo Pinheiro, Penry Williams, and Anthony van Dyck and the Realism tradition. Painters typically deployed eerie black at an average of 45% of the canvas, with old burgundy at 23%. Third colors most often completing the combination include Umber (#635147), Coffee (#6F4E37), and Khaki (#C3B091).