ΔE 9.6, close: similar, with a visible difference side by side. Uniform Grey is a little lighter than RAF Ocean Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Uniform Grey is a little lighter than RAF Ocean Grey.
The same difference applies the other way round: RAF Ocean Grey is a little darker.
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 RAF Ocean Grey on the colour wheel See Uniform Grey on the colour wheel
All matches: RAF Ocean Grey equivalents · Uniform Grey equivalents