ΔE 6.1, close: similar, with a visible difference side by side. Ogryn Camo is a little lighter than Matt Dark Green. They are different kinds of paint: AMMO by Mig Matt Dark Green is an ink, glaze or transparent paint and Citadel Ogryn Camo is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Ogryn Camo is a little lighter than Matt Dark Green. They are different kinds of paint.
The same difference applies the other way round: Matt Dark Green is a little darker.
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 Matt Dark Green on the colour wheel See Ogryn Camo on the colour wheel
All matches: Matt Dark Green equivalents · Ogryn Camo equivalents