ΔE 13.0, fair: the same colour family, but not a straight swap. Battlefield Brown is a little darker, more muted than Rhinox Hide.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Battlefield Brown is a little darker, more muted than Rhinox Hide.
The same difference applies the other way round: Rhinox Hide is a little lighter, 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 Rhinox Hide on the colour wheel See Battlefield Brown on the colour wheel
All matches: Rhinox Hide equivalents · Battlefield Brown equivalents