Archangel Red vs Pyrrole Red Light

How close are they?

ΔE 10.3, fair: the same colour family, but not a straight swap. Pyrrole Red Light is a little lighter, more saturated than Archangel Red.

Can I use Pyrrole Red Light instead of Archangel Red?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Pyrrole Red Light is a little lighter, more saturated than Archangel Red.

Can I use Archangel Red instead of Pyrrole Red Light?

The same difference applies the other way round: Archangel Red is a little darker, more muted.

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.