ΔE 7.8, close: similar, with a visible difference side by side. Cobalt Green is more muted, cooler than Dark Angels Green. They are different kinds of paint: Citadel Dark Angels Green is a one-coat contrast-style paint and Golden Cobalt 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 8). Cobalt Green is more muted, cooler than Dark Angels Green. They are different kinds of paint.
The same difference applies the other way round: Dark Angels Green is more saturated, 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 Angels Green on the colour wheel See Cobalt Green on the colour wheel
All matches: Dark Angels Green equivalents · Cobalt Green equivalents