Snow Blue vs Wrack White

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. Wrack White is a little lighter, more muted than Snow Blue.

Can I use Wrack White instead of Snow Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Wrack White is a little lighter, more muted than Snow Blue.

Can I use Snow Blue instead of Wrack White?

The same difference applies the other way round: Snow Blue is a little darker, more saturated.

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.