Lightning Blue vs Deep Sky Blue

How close are they?

ΔE 14.7, fair: the same colour family, but not a straight swap. Deep Sky Blue is much more muted than Lightning Blue.

Can I use Deep Sky Blue instead of Lightning Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Deep Sky Blue is much more muted than Lightning Blue.

Can I use Lightning Blue instead of Deep Sky Blue?

The same difference applies the other way round: Lightning Blue is much 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.