Beaten Purple vs Imperial Blue

How close are they?

ΔE 27.3, loose: different enough that you should pick on purpose. Imperial Blue is noticeably lighter, more muted, cooler than Beaten Purple.

Can I use Imperial Blue instead of Beaten Purple?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Imperial Blue is noticeably lighter, more muted, cooler than Beaten Purple.

Can I use Beaten Purple instead of Imperial Blue?

The same difference applies the other way round: Beaten Purple is noticeably darker, more saturated, 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.