Gilding

Many shades, from White Gold through Lemon Gold, Yellow Gold, Moon Gold, Red Gold, to  Victorian Gold and even Genuine Palladium. Luscious.

Plenty of videos online about gilding - just look up "gold leaf gilding". You need a "glue" and the leaf, which usually comes in books of 25 sheets, and perhaps some varnish to protect your item when it's finished. It's addictive....