ΔE 19.6, loose: different enough that you should pick on purpose. Thallax Gold is more muted, warmer than Aztec Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Thallax Gold is more muted, warmer than Aztec Gold.
The same difference applies the other way round: Aztec Gold is more saturated, cooler.
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 Aztec Gold on the colour wheel See Thallax Gold on the colour wheel
All matches: Aztec Gold equivalents · Thallax Gold equivalents