ΔE 7.3, close: similar, with a visible difference side by side. Chocolate Brown is a little darker than Carnelian Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Chocolate Brown is a little darker than Carnelian Skin.
The same difference applies the other way round: Carnelian Skin is a little lighter.
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 Carnelian Skin on the colour wheel See Chocolate Brown on the colour wheel
All matches: Carnelian Skin equivalents · Chocolate Brown equivalents