ΔE 11.2, fair: the same colour family, but not a straight swap. Cam. Middle Brown is more saturated than Ranger Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Cam. Middle Brown is more saturated than Ranger Green.
The same difference applies the other way round: Ranger Green 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 Ranger Green on the colour wheel See Cam. Middle Brown on the colour wheel
All matches: Ranger Green equivalents · Cam. Middle Brown equivalents