ΔE 10.5, fair: the same colour family, but not a straight swap. Knight-Questor Flesh is more saturated, warmer than Shadow Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Knight-Questor Flesh is more saturated, warmer than Shadow Flesh.
The same difference applies the other way round: Shadow Flesh is 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 Shadow Flesh on the colour wheel See Knight-Questor Flesh on the colour wheel
All matches: Shadow Flesh equivalents · Knight-Questor Flesh equivalents