ΔE 14.7, fair: the same colour family, but not a straight swap. Black Rose Immortal is noticeably darker, more muted than Tanned Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Black Rose Immortal is noticeably darker, more muted than Tanned Flesh.
The same difference applies the other way round: Tanned Flesh is noticeably lighter, more saturated.
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 Tanned Flesh on the colour wheel See Black Rose Immortal on the colour wheel
All matches: Tanned Flesh equivalents · Black Rose Immortal equivalents