ΔE 12.3, fair: the same colour family, but not a straight swap. Slimer Green is a little lighter, more muted, warmer than Orruk Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Slimer Green is a little lighter, more muted, warmer than Orruk Flesh.
The same difference applies the other way round: Orruk Flesh is a little darker, more saturated, 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 Orruk Flesh on the colour wheel See Slimer Green on the colour wheel
All matches: Orruk Flesh equivalents · Slimer Green equivalents