ΔE 16.1, loose: different enough that you should pick on purpose. Aged Metal is a little lighter, more muted, cooler than Emperor Gold.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Aged Metal is a little lighter, more muted, cooler than Emperor Gold.
The same difference applies the other way round: Emperor Gold is a little darker, 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 Emperor Gold on the colour wheel See Aged Metal on the colour wheel
All matches: Emperor Gold equivalents · Aged Metal equivalents