Prussian bluehttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31437399enGetty Institute2026-03-30 20:57:56http://AATesaurus.cultura.gencat.cat/aat/getty_enTesaurus d'Art i Arquitecturatext/html paste blue potash blue American blue Ariabel dark blue 300308 Berlin blue Erlangen blue Hamburg blue Paris blue Persian blue Radiogardase Williamson's blue blue, Prussian ferric ferrocyanide ferrocyanide blue gas blue iron blue lacquer blue oil blue