Mocca Skin vs Necrolith Bone

How close are they?

ΔE 6.9, close: similar, with a visible difference side by side. Necrolith Bone is more muted, cooler than Mocca Skin.

Can I use Necrolith Bone instead of Mocca Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Necrolith Bone is more muted, cooler than Mocca Skin.

Can I use Mocca Skin instead of Necrolith Bone?

The same difference applies the other way round: Mocca Skin is more saturated, 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.