ΔE 8.5, close: similar, with a visible difference side by side. Pale Skin is a little darker, warmer than Ushabti Bone.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Pale Skin is a little darker, warmer than Ushabti Bone.
The same difference applies the other way round: Ushabti Bone 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 Ushabti Bone on the colour wheel See Pale Skin on the colour wheel
All matches: Ushabti Bone equivalents · Pale Skin equivalents