ΔE 24.2, loose: different enough that you should pick on purpose. Limelight is a little darker, more muted, warmer than Ork Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Limelight is a little darker, more muted, warmer than Ork Flesh.
The same difference applies the other way round: Ork Flesh is a little lighter, 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 Ork Flesh on the colour wheel See Limelight on the colour wheel
All matches: Ork Flesh equivalents · Limelight equivalents