ΔE 9.4, close: similar, with a visible difference side by side. Ammo Pouch Brown is more saturated than RAF Dark Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Ammo Pouch Brown is more saturated than RAF Dark Green.
The same difference applies the other way round: RAF Dark 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 RAF Dark Green on the colour wheel See Ammo Pouch Brown on the colour wheel
All matches: RAF Dark Green equivalents · Ammo Pouch Brown equivalents