ΔE 11.7, fair: the same colour family, but not a straight swap. Elfic Flesh is a little darker, more muted, warmer than Sun Ray.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Elfic Flesh is a little darker, more muted, warmer than Sun Ray.
The same difference applies the other way round: Sun Ray is a little lighter, more saturated, 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 Sun Ray on the colour wheel See Elfic Flesh on the colour wheel
All matches: Sun Ray equivalents · Elfic Flesh equivalents