Basilisk Red vs Dark Crimson

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Dark Crimson is a little darker, more saturated, warmer than Basilisk Red.

Can I use Dark Crimson instead of Basilisk Red?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Dark Crimson is a little darker, more saturated, warmer than Basilisk Red.

Can I use Basilisk Red instead of Dark Crimson?

The same difference applies the other way round: Basilisk Red 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.