Nighthaunt Gloom vs Ancestral Blue

How close are they?

ΔE 13.1, fair: the same colour family, but not a straight swap. Ancestral Blue is noticeably lighter, cooler than Nighthaunt Gloom.

Can I use Ancestral Blue instead of Nighthaunt Gloom?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Ancestral Blue is noticeably lighter, cooler than Nighthaunt Gloom.

Can I use Nighthaunt Gloom instead of Ancestral Blue?

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