Based on the dual perspectives of intangible cultural heritage protection and contemporary innovation transformation, this paper focuses on the color dimension of metal craft, and systematically expounds the visual communication inheritance path and innovation practice of intangible metal craft color. On the basis of briefly describing the visual characteristics, color types and color cultural metaphors of intangible metal crafts, this paper further sorts out the ways of its continuous use in the inheritance of skills and the inheritance forms used in folk scenes, and analyzes its innovative practice from the perspectives of modern design translation and digital technology empowerment.