ΔE 10.5, fair: the same colour family, but not a straight swap. Ionrach Skin is a little lighter, more saturated than Command Khaki.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Ionrach Skin is a little lighter, more saturated than Command Khaki.
The same difference applies the other way round: Command Khaki is a little darker, more muted.
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 Command Khaki on the colour wheel See Ionrach Skin on the colour wheel
All matches: Command Khaki equivalents · Ionrach Skin equivalents