ΔE 13.7, fair: the same colour family, but not a straight swap. Rusty Metal is much more muted than Victorian Brass.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Rusty Metal is much more muted than Victorian Brass.
The same difference applies the other way round: Victorian Brass is much more saturated.
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 Victorian Brass on the colour wheel See Rusty Metal on the colour wheel
All matches: Victorian Brass equivalents · Rusty Metal equivalents