White Scar vs Underbelly Blue

How close are they?

ΔE 14.1, fair: the same colour family, but not a straight swap. Underbelly Blue is noticeably darker, more saturated than White Scar.

Can I use Underbelly Blue instead of White Scar?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Underbelly Blue is noticeably darker, more saturated than White Scar.

Can I use White Scar instead of Underbelly Blue?

The same difference applies the other way round: White Scar is noticeably lighter, 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.