ΔE 7.5, close: similar, with a visible difference side by side. Light Imperial Khaki is a little lighter, warmer than Medium Olive Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Light Imperial Khaki is a little lighter, warmer than Medium Olive Green.
The same difference applies the other way round: Medium Olive Green is a little darker, 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 Medium Olive Green on the colour wheel See Light Imperial Khaki on the colour wheel
All matches: Medium Olive Green equivalents · Light Imperial Khaki equivalents