ΔE 8.8, close: similar, with a visible difference side by side. Wildling Flesh is a little lighter, warmer than Dwarf Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Wildling Flesh is a little lighter, warmer than Dwarf Skin.
The same difference applies the other way round: Dwarf Skin 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 Dwarf Skin on the colour wheel See Wildling Flesh on the colour wheel
All matches: Dwarf Skin equivalents · Wildling Flesh equivalents