ΔE 10.9, fair: the same colour family, but not a straight swap. Violet Red is a little darker, more saturated, cooler than Volcano Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Violet Red is a little darker, more saturated, cooler than Volcano Brown.
The same difference applies the other way round: Volcano Brown is a little lighter, more muted, 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.
See Volcano Brown on the colour wheel See Violet Red on the colour wheel
All matches: Volcano Brown equivalents · Violet Red equivalents