As electroplating is harmful to the environment, now more and more companies would choose Physical Vepour Deposition as an alternative solution.
One of the most popular color is Gold.
Now here are some subdivisions of PVD-Gold.
Sometimes it's called gold but there's a color difference as different factories would have their understanding of PVD-Gold.
With years of surface treatment experience, we could help you to find out exact color to avoid chromatic aberration.