ΔE 12.6, fair: the same colour family, but not a straight swap. Broodmother Purple is a little darker, more saturated, cooler than Space Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Broodmother Purple is a little darker, more saturated, cooler than Space Purple.
The same difference applies the other way round: Space Purple 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 Space Purple on the colour wheel See Broodmother Purple on the colour wheel
All matches: Space Purple equivalents · Broodmother Purple equivalents