Braunviolett RLM 81 vs Red

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. Red is a little darker, more saturated than Braunviolett RLM 81.

Can I use Red instead of Braunviolett RLM 81?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Red is a little darker, more saturated than Braunviolett RLM 81.

Can I use Braunviolett RLM 81 instead of Red?

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