artificial ultramarine bluehttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31437316enGetty Institute2026-03-30 20:57:55http://AATesaurus.cultura.gencat.cat/aat/getty_enTesaurus d'Art i Arquitecturatext/html French blue French ultramarine Gmelin's blue Guimet's blue artificial ultramarine blue, artificial ultramarine permanent blue synthetic ultramarine synthetic ultramarine blue