ΔE 13.4, fair: the same colour family, but not a straight swap. Ruby Skin is a little darker, more muted, cooler than Highlight Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Ruby Skin is a little darker, more muted, cooler than Highlight Flesh.
The same difference applies the other way round: Highlight Flesh is a little lighter, 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 Highlight Flesh on the colour wheel See Ruby Skin on the colour wheel
All matches: Highlight Flesh equivalents · Ruby Skin equivalents