ΔE 11.0, fair: the same colour family, but not a straight swap. Rhinox Hide is a little lighter, more saturated, warmer than Reddish Black.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Rhinox Hide is a little lighter, more saturated, warmer than Reddish Black.
The same difference applies the other way round: Reddish Black is a little darker, more muted, 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 Reddish Black on the colour wheel See Rhinox Hide on the colour wheel
All matches: Reddish Black equivalents · Rhinox Hide equivalents