ΔE 13.3, fair: the same colour family, but not a straight swap. Glorious Gold is a little lighter, much more muted than Battle Axe Brass.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Glorious Gold is a little lighter, much more muted than Battle Axe Brass.
The same difference applies the other way round: Battle Axe Brass is a little darker, 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 Battle Axe Brass on the colour wheel See Glorious Gold on the colour wheel
All matches: Battle Axe Brass equivalents · Glorious Gold equivalents