ΔE 12.6, fair: the same colour family, but not a straight swap. Aircraft Gray is noticeably lighter, warmer than Bramble Grove.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Aircraft Gray is noticeably lighter, warmer than Bramble Grove.
The same difference applies the other way round: Bramble Grove is noticeably darker, 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 Bramble Grove on the colour wheel See Aircraft Gray on the colour wheel
All matches: Bramble Grove equivalents · Aircraft Gray equivalents