ΔE 11.0, fair: the same colour family, but not a straight swap. Khaki is more saturated, cooler than Eldar Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Khaki is more saturated, cooler than Eldar Flesh.
The same difference applies the other way round: Eldar Flesh is 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 Eldar Flesh on the colour wheel See Khaki on the colour wheel
All matches: Eldar Flesh equivalents · Khaki equivalents