Burnt Umber Light vs Nocturnal Red

How close are they?

ΔE 14.5, fair: the same colour family, but not a straight swap. Nocturnal Red is a little darker, more saturated, cooler than Burnt Umber Light.

Can I use Nocturnal Red instead of Burnt Umber Light?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Nocturnal Red is a little darker, more saturated, cooler than Burnt Umber Light.

Can I use Burnt Umber Light instead of Nocturnal Red?

The same difference applies the other way round: Burnt Umber Light is a little lighter, 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.