Deep Purple vs Imperial Purple

How close are they?

ΔE 14.3, fair: the same colour family, but not a straight swap. Imperial Purple is much more saturated than Deep Purple.

Can I use Imperial Purple instead of Deep Purple?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Imperial Purple is much more saturated than Deep Purple.

Can I use Deep Purple instead of Imperial Purple?

The same difference applies the other way round: Deep Purple is much 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.