ΔE 11.6, fair: the same colour family, but not a straight swap. Parchment is a little lighter, cooler than Flayed One Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Parchment is a little lighter, cooler than Flayed One Flesh.
The same difference applies the other way round: Flayed One Flesh is a little darker, 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 Flayed One Flesh on the colour wheel See Parchment on the colour wheel
All matches: Flayed One Flesh equivalents · Parchment equivalents