ΔE 10.0, close: similar, with a visible difference side by side. Blue Gray FS35189 is a little darker, warmer than Tanker Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Blue Gray FS35189 is a little darker, warmer than Tanker Grey.
The same difference applies the other way round: Tanker Grey is a little lighter, 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 Tanker Grey on the colour wheel See Blue Gray FS35189 on the colour wheel
All matches: Tanker Grey equivalents · Blue Gray FS35189 equivalents