ΔE 6.9, close: similar, with a visible difference side by side. Hulky Green is a little darker than Dark Angels Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Hulky Green is a little darker than Dark Angels Green.
The same difference applies the other way round: Dark Angels Green is a little lighter.
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 Hulky Green on the colour wheel
All matches: Dark Angels Green equivalents · Hulky Green equivalents