ΔE 14.4, fair: the same colour family, but not a straight swap. Aged Metal is noticeably darker, cooler than Rusty Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Aged Metal is noticeably darker, cooler than Rusty Gold.
The same difference applies the other way round: Rusty Gold is noticeably lighter, 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 Rusty Gold on the colour wheel See Aged Metal on the colour wheel
All matches: Rusty Gold equivalents · Aged Metal equivalents