Spanish gray (#989898) and Zinc gray (#655B55) appear together across 6 master palettes in our corpus, most prominently in the work of Pellegrino Tibaldi, José Campeche, and Aleksander Kuprin and the Mannerism (Late Renaissance) tradition. Painters typically deployed spanish gray at an average of 24% of the canvas, with zinc gray at 17%. Third colors most often completing the combination include Khaki (#C3B091), Shadow (#8A795D), and Silver (#C0C0C0).