ΔE 15.4, loose: different enough that you should pick on purpose. Olive-Brown Ops is a little darker, cooler than Rhinox Hide.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Olive-Brown Ops is a little darker, cooler than Rhinox Hide.
The same difference applies the other way round: Rhinox Hide is a little lighter, warmer.
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 Olive-Brown Ops on the colour wheel
All matches: Rhinox Hide equivalents · Olive-Brown Ops equivalents