ΔE 12.6, fair: the same colour family, but not a straight swap. Eshin Grey is a little lighter, more muted than British Dark Olive Green PFI.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Eshin Grey is a little lighter, more muted than British Dark Olive Green PFI.
The same difference applies the other way round: British Dark Olive Green PFI is a little darker, 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 British Dark Olive Green PFI on the colour wheel See Eshin Grey on the colour wheel
All matches: British Dark Olive Green PFI equivalents · Eshin Grey equivalents