ΔE 13.4, fair: the same colour family, but not a straight swap. Warplock Bronze is noticeably lighter than Burnt Iron.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Warplock Bronze is noticeably lighter than Burnt Iron.
The same difference applies the other way round: Burnt Iron is noticeably darker.
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 Burnt Iron on the colour wheel See Warplock Bronze on the colour wheel
All matches: Burnt Iron equivalents · Warplock Bronze equivalents