ΔE 25.5, loose: different enough that you should pick on purpose. Aztec Gold is a little lighter, much more saturated, cooler than Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Aztec Gold is a little lighter, much more saturated, cooler than Gold.
The same difference applies the other way round: Gold is a little darker, much more muted, 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 Gold on the colour wheel See Aztec Gold on the colour wheel
All matches: Gold equivalents · Aztec Gold equivalents