ΔE 11.9, fair: the same colour family, but not a straight swap. Brown Rose is a little lighter, more saturated, cooler than Ground Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Brown Rose is a little lighter, more saturated, cooler than Ground Brown.
The same difference applies the other way round: Ground Brown is a little darker, 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 Ground Brown on the colour wheel See Brown Rose on the colour wheel
All matches: Ground Brown equivalents · Brown Rose equivalents