ΔE 9.5, close: similar, with a visible difference side by side. Khaki is more muted, cooler than Imperial Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Khaki is more muted, cooler than Imperial Flesh.
The same difference applies the other way round: Imperial Flesh is more saturated, 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 Khaki on the colour wheel
All matches: Imperial Flesh equivalents · Khaki equivalents