Braunviolett RLM 81 vs Grimoire Purple

How close are they?

ΔE 11.2, fair: the same colour family, but not a straight swap. Grimoire Purple is a little darker, more muted, cooler than Braunviolett RLM 81.

Can I use Grimoire Purple instead of Braunviolett RLM 81?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Grimoire Purple is a little darker, more muted, cooler than Braunviolett RLM 81.

Can I use Braunviolett RLM 81 instead of Grimoire Purple?

The same difference applies the other way round: Braunviolett RLM 81 is a little lighter, 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.