Morghast Bone vs Sail Color

How close are they?

ΔE 9.5, close: similar, with a visible difference side by side. Sail Color is a little darker, more saturated, cooler than Morghast Bone.

Can I use Sail Color instead of Morghast Bone?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Sail Color is a little darker, more saturated, cooler than Morghast Bone.

Can I use Morghast Bone instead of Sail Color?

The same difference applies the other way round: Morghast Bone is a little lighter, more muted, 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.