ΔE 11.2, fair: the same colour family, but not a straight swap. Rhinox Hide is noticeably lighter, warmer than Black Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Rhinox Hide is noticeably lighter, warmer than Black Brown.
The same difference applies the other way round: Black Brown is noticeably darker, cooler.
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 Black Brown on the colour wheel See Rhinox Hide on the colour wheel
All matches: Black Brown equivalents · Rhinox Hide equivalents