Administratum Grey vs Blue Gray FS35189

How close are they?

ΔE 11.6, fair: the same colour family, but not a straight swap. Blue Gray FS35189 is a little darker, more saturated than Administratum Grey.

Can I use Blue Gray FS35189 instead of Administratum Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Blue Gray FS35189 is a little darker, more saturated than Administratum Grey.

Can I use Administratum Grey instead of Blue Gray FS35189?

The same difference applies the other way round: Administratum Grey is a little lighter, more muted.

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.