ΔE 11.5, fair: the same colour family, but not a straight swap. Coldstone Grey is a little darker, more muted than Bramble Grove.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Coldstone Grey is a little darker, more muted than Bramble Grove.
The same difference applies the other way round: Bramble Grove is a little lighter, more saturated.
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 Coldstone Grey on the colour wheel
All matches: Bramble Grove equivalents · Coldstone Grey equivalents