Twilight Blue vs Deep Sky

How close are they?

ΔE 10.1, fair: the same colour family, but not a straight swap. Deep Sky is a little darker, more saturated, warmer than Twilight Blue.

Can I use Deep Sky instead of Twilight Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Deep Sky is a little darker, more saturated, warmer than Twilight Blue.

Can I use Twilight Blue instead of Deep Sky?

The same difference applies the other way round: Twilight Blue is a little lighter, more muted, cooler.

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.