Grimoire Purple vs Oxide Brown Medium

How close are they?

ΔE 14.5, fair: the same colour family, but not a straight swap. Oxide Brown Medium is a little darker, warmer than Grimoire Purple.

Can I use Oxide Brown Medium instead of Grimoire Purple?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Oxide Brown Medium is a little darker, warmer than Grimoire Purple.

Can I use Grimoire Purple instead of Oxide Brown Medium?

The same difference applies the other way round: Grimoire Purple is a little lighter, cooler.

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.