ΔE 9.3, close: similar, with a visible difference side by side. Centaur Skin is a little darker, warmer than Salmon.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Centaur Skin is a little darker, warmer than Salmon.
The same difference applies the other way round: Salmon is a little lighter, 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 Salmon on the colour wheel See Centaur Skin on the colour wheel
All matches: Salmon equivalents · Centaur Skin equivalents