Chinese red (#AA381E) and Indian yellow (#E3A857) appear together across 6 master palettes in our corpus, most prominently in the work of Gentile da Fabriano, Filipp Malyavin, and Masaccio and the Gothic Art tradition. Painters typically deployed chinese red at an average of 15% of the canvas, with indian yellow at 10%. Third colors most often completing the combination include Smoky black (#100C08), Seal brown (#59260B), and Eerie black (#1B1B1B).