cobalt bluehttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31437332enGetty Institute2026-03-30 20:57:55http://AATesaurus.cultura.gencat.cat/aat/getty_enTesaurus d'Art i Arquitecturatext/html blue, cobalt cobalt olympia blue Hungary blue Thénard's blue Vienna blue Vienna ultramarine azure cobalt bleu de cobalt