Trivalent chromium finishing, often called trivalent chrome or Cr(III), is a modern and environmentally preferred alternative to traditional hexavalent chromium plating (Cr(VI)). It is a process used to apply a thin, decorative, and protective metallic coating—typically a brilliant, silver-like finish—onto surfaces of materials like steel, aluminum, brass, and plastics. While it delivers the same aesthetic appeal and good corrosion resistance as the older method, its key advantage is its dramatically reduced toxicity. Trivalent chromium is far less hazardous to human health and the environment, making it safer for workers to handle and easier for facilities to treat and dispose of wastewater.

This technology has become the standard for decorative applications, such as automotive trim, plumbing fixtures, and consumer electronics, due to regulatory pressures and corporate sustainability goals. The process operates at lower voltages, offers excellent throwing power for coating complex parts uniformly, and can produce a range of appearances from bright to satin finishes. However, for the hardest, most corrosion-resistant functional or "hard chrome" plating used in industrial equipment and aerospace, hexavalent processes are still sometimes specified, though trivalent alternatives for these applications are under active development. The widespread adoption of trivalent chromium represents a significant advancement in combining high-performance metal finishing with responsible environmental stewardship.