Bole (#79443B) and May green (#4C9141) appear together across 2 master palettes in our corpus, most prominently in the work of Lajos Kassak and the Constructivism tradition. Painters typically deployed bole at an average of 20% of the canvas, with may green at 4%. Third colors most often completing the combination include Eerie black (#1B1B1B), Old burgundy (#43302E), and Safety yellow (#EED202).