ΔE 14.9, fair: the same colour family, but not a straight swap. Interior Grey Green is much more muted, cooler than Orc Hide.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Interior Grey Green is much more muted, cooler than Orc Hide.
The same difference applies the other way round: Orc Hide is much more saturated, warmer.
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 Orc Hide on the colour wheel See Interior Grey Green on the colour wheel
All matches: Orc Hide equivalents · Interior Grey Green equivalents