ΔE 8.0, close: similar, with a visible difference side by side. Sombre Grey is a little lighter, warmer than Wolf Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sombre Grey is a little lighter, warmer than Wolf Grey.
The same difference applies the other way round: Wolf Grey is a little darker, cooler.
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 Wolf Grey on the colour wheel See Sombre Grey on the colour wheel
All matches: Wolf Grey equivalents · Sombre Grey equivalents