ΔE 13.7, fair: the same colour family, but not a straight swap. Grey Teal is a little darker, much more saturated than Administratum Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Grey Teal is a little darker, much more saturated than Administratum Grey.
The same difference applies the other way round: Administratum Grey is a little lighter, much 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.
See Administratum Grey on the colour wheel See Grey Teal on the colour wheel
All matches: Administratum Grey equivalents · Grey Teal equivalents