Kingdom Blue vs Violet Vamp

How close are they?

ΔE 12.9, fair: the same colour family, but not a straight swap. Violet Vamp is a little darker, more muted than Kingdom Blue.

Can I use Violet Vamp instead of Kingdom Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Violet Vamp is a little darker, more muted than Kingdom Blue.

Can I use Kingdom Blue instead of Violet Vamp?

The same difference applies the other way round: Kingdom Blue is a little lighter, 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.