ΔE 12.6, fair: the same colour family, but not a straight swap. Two Cents is more saturated than Castellax Bronze.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Two Cents is more saturated than Castellax Bronze.
The same difference applies the other way round: Castellax Bronze is more muted.
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 Castellax Bronze on the colour wheel See Two Cents on the colour wheel
All matches: Castellax Bronze equivalents · Two Cents equivalents