ΔE 8.4, close: similar, with a visible difference side by side. Bering Blue is a little darker than Stormfang.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Bering Blue is a little darker than Stormfang.
The same difference applies the other way round: Stormfang 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 Stormfang on the colour wheel See Bering Blue on the colour wheel
All matches: Stormfang equivalents · Bering Blue equivalents