ΔE 8.8, close: similar, with a visible difference side by side. Straken Green is a little darker, more saturated, cooler than Dark Green. They are different kinds of paint: AMMO by Mig Dark Green is an ink, glaze or transparent paint and Citadel Straken Green 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 9). Straken Green is a little darker, more saturated, cooler than Dark Green. They are different kinds of paint.
The same difference applies the other way round: Dark Green is a little lighter, more muted, 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 Dark Green on the colour wheel See Straken Green on the colour wheel
All matches: Dark Green equivalents · Straken Green equivalents