Russian Blue Base vs The Darkness

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. The Darkness is a little lighter, more muted than Russian Blue Base.

Can I use The Darkness instead of Russian Blue Base?

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

Can I use Russian Blue Base instead of The Darkness?

The same difference applies the other way round: Russian Blue Base 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.