ΔE 7.9, close: similar, with a visible difference side by side. Bone Khaki is a little darker, cooler than Ionrach Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Bone Khaki is a little darker, cooler than Ionrach Skin.
The same difference applies the other way round: Ionrach Skin is a little lighter, 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 Ionrach Skin on the colour wheel See Bone Khaki on the colour wheel
All matches: Ionrach Skin equivalents · Bone Khaki equivalents