ΔE 7.8, close: similar, with a visible difference side by side. Gunship Gray 2 is a little lighter, more muted, cooler than Stormfang.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Gunship Gray 2 is a little lighter, more muted, cooler than Stormfang.
The same difference applies the other way round: Stormfang is a little darker, 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 Stormfang on the colour wheel See Gunship Gray 2 on the colour wheel
All matches: Stormfang equivalents · Gunship Gray 2 equivalents