Ulthuan Grey vs Flanker Light Blue

How close are they?

ΔE 14.1, fair: the same colour family, but not a straight swap. Flanker Light Blue is more saturated than Ulthuan Grey.

Can I use Flanker Light Blue instead of Ulthuan Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Flanker Light Blue is more saturated than Ulthuan Grey.

Can I use Ulthuan Grey instead of Flanker Light Blue?

The same difference applies the other way round: Ulthuan Grey is more muted.

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.