ΔE 14.7, fair: the same colour family, but not a straight swap. Orruk Flesh is a little darker, much more muted than Goblin Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Orruk Flesh is a little darker, much more muted than Goblin Green.
The same difference applies the other way round: Goblin Green is a little lighter, much 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 Goblin Green on the colour wheel See Orruk Flesh on the colour wheel
All matches: Goblin Green equivalents · Orruk Flesh equivalents