ΔE 10.4, fair: the same colour family, but not a straight swap. Hobgrot Hide is more saturated than Battle of Marathon.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Hobgrot Hide is more saturated than Battle of Marathon.
The same difference applies the other way round: Battle of Marathon is 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 Battle of Marathon on the colour wheel See Hobgrot Hide on the colour wheel
All matches: Battle of Marathon equivalents · Hobgrot Hide equivalents