ΔE 6.1, close: similar, with a visible difference side by side. Dark Ghost Gray is more muted than Stormwolf Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Dark Ghost Gray is more muted than Stormwolf Blue.
The same difference applies the other way round: Stormwolf Blue is more saturated.
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 Stormwolf Blue on the colour wheel See Dark Ghost Gray on the colour wheel
All matches: Stormwolf Blue equivalents · Dark Ghost Gray equivalents