Raisin black (#242124) and Sonic silver (#757575) appear together across 6 master palettes in our corpus, most prominently in the work of Armando Spadini, Carl Gustav Carus, and Jan Joest and the Impressionism tradition. Painters typically deployed raisin black at an average of 26% of the canvas, with sonic silver at 13%. Third colors most often completing the combination include Davy's grey (#555555), Dark lava (#483C32), and Shadow (#8A795D).