Wraithbone vs Birch

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Birch is noticeably lighter, warmer than Wraithbone.

Can I use Birch instead of Wraithbone?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Birch is noticeably lighter, warmer than Wraithbone.

Can I use Wraithbone instead of Birch?

The same difference applies the other way round: Wraithbone is noticeably 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.