Beaver (#9F8170) and Midnight green (#004953) appear together across 6 master palettes in our corpus, most prominently in the work of Atanasio Soldati, Noè Bordignon, and Joos van Cleve and the Concrete Art (Concretism) tradition. Painters typically deployed beaver at an average of 9% of the canvas, with midnight green at 6%. Third colors most often completing the combination include Smoky black (#100C08), Raisin black (#242124), and Rich black (#010203).