ΔE 13.7, fair: the same colour family, but not a straight swap. Shadow Flesh is a little lighter, more saturated, cooler than Warrior Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Shadow Flesh is a little lighter, more saturated, cooler than Warrior Skin.
The same difference applies the other way round: Warrior Skin 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 Warrior Skin on the colour wheel See Shadow Flesh on the colour wheel
All matches: Warrior Skin equivalents · Shadow Flesh equivalents