Deepkin Flesh vs Bone White

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. Bone White is a little lighter, cooler than Deepkin Flesh.

Can I use Bone White instead of Deepkin Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bone White is a little lighter, cooler than Deepkin Flesh.

Can I use Deepkin Flesh instead of Bone White?

The same difference applies the other way round: Deepkin Flesh is a little darker, 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.