Russian Blue Lights vs Incubi Darkness

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Incubi Darkness is a little lighter, more saturated, cooler than Russian Blue Lights.

Can I use Incubi Darkness instead of Russian Blue Lights?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Incubi Darkness is a little lighter, more saturated, cooler than Russian Blue Lights.

Can I use Russian Blue Lights instead of Incubi Darkness?

The same difference applies the other way round: Russian Blue Lights is a little darker, more muted, warmer.

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.