Yellow ochre
Burnt sienna
Titanium white
Small amount of red
Small amount of black
Mix yellow ochre with titanium white
Add a little burnt sienna
Add a tiny amount of red
Add a very small amount of black
Adjust with more yellow ochre for a warmer gold
Adjust with more white for a lighter gold
Add metallic gold pigment or mica powder for a metallic finish
Mix thoroughly until smooth
Test on a sample surface
Adjust color as needed