ΔE 10.8, fair: the same colour family, but not a straight swap. Hobgrot Hide is a little lighter, warmer than British Khaki.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Hobgrot Hide is a little lighter, warmer than British Khaki.
The same difference applies the other way round: British Khaki is a little 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 British Khaki on the colour wheel See Hobgrot Hide on the colour wheel
All matches: British Khaki equivalents · Hobgrot Hide equivalents