Archangel Red vs Quinacridone Red Light

How close are they?

ΔE 11.4, fair: the same colour family, but not a straight swap. Quinacridone Red Light is a little darker, more muted than Archangel Red.

Can I use Quinacridone 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 11). Quinacridone Red Light is a little darker, more muted than Archangel Red.

Can I use Archangel Red instead of Quinacridone Red Light?

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