ΔE 6.9, close: similar, with a visible difference side by side. Wolf Grey is more saturated, cooler than Uniform Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Wolf Grey is more saturated, cooler than Uniform Grey.
The same difference applies the other way round: Uniform Grey is more muted, 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 Uniform Grey on the colour wheel See Wolf Grey on the colour wheel
All matches: Uniform Grey equivalents · Wolf Grey equivalents