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