ΔE 17.4, loose: different enough that you should pick on purpose. Gold is more muted, cooler than Fulgurite Copper.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Gold is more muted, cooler than Fulgurite Copper.
The same difference applies the other way round: Fulgurite Copper is more saturated, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Fulgurite Copper on the colour wheel See Gold on the colour wheel
All matches: Fulgurite Copper equivalents · Gold equivalents