ΔE 14.4, fair: the same colour family, but not a straight swap. Screaming Skull is a little darker, much more muted, cooler than Sunny Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Screaming Skull is a little darker, much more muted, cooler than Sunny Flesh.
The same difference applies the other way round: Sunny Flesh is a little lighter, much more saturated, 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 Sunny Flesh on the colour wheel See Screaming Skull on the colour wheel
All matches: Sunny Flesh equivalents · Screaming Skull equivalents