ΔE 11.5, fair: the same colour family, but not a straight swap. Ungor Flesh is a little darker, more saturated, cooler than Imperial Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Ungor Flesh is a little darker, more saturated, cooler than Imperial Flesh.
The same difference applies the other way round: Imperial Flesh is a little lighter, more muted, 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 Imperial Flesh on the colour wheel See Ungor Flesh on the colour wheel
All matches: Imperial Flesh equivalents · Ungor Flesh equivalents