ΔE 27.1, loose: different enough that you should pick on purpose. Aged Metal is much more muted, cooler than Bright Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Aged Metal is much more muted, cooler than Bright Gold.
The same difference applies the other way round: Bright Gold is much 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 Bright Gold on the colour wheel See Aged Metal on the colour wheel
All matches: Bright Gold equivalents · Aged Metal equivalents