ΔE 6.6, close: similar, with a visible difference side by side. Cam. Olive Green is more muted than Olive Drab 2314.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Cam. Olive Green is more muted than Olive Drab 2314.
The same difference applies the other way round: Olive Drab 2314 is more saturated.
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 Olive Drab 2314 on the colour wheel See Cam. Olive Green on the colour wheel
All matches: Olive Drab 2314 equivalents · Cam. Olive Green equivalents