ΔE 13.4, fair: the same colour family, but not a straight swap. Bloodreaver Flesh is noticeably darker, more saturated, warmer than Mahogany Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Bloodreaver Flesh is noticeably darker, more saturated, warmer than Mahogany Brown.
The same difference applies the other way round: Mahogany Brown is noticeably lighter, more muted, cooler.
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 Mahogany Brown on the colour wheel See Bloodreaver Flesh on the colour wheel
All matches: Mahogany Brown equivalents · Bloodreaver Flesh equivalents