ΔE 14.8, fair: the same colour family, but not a straight swap. Menoth White Highlight is much more saturated than White Scar.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Menoth White Highlight is much more saturated than White Scar.
The same difference applies the other way round: White Scar is much 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 White Scar on the colour wheel See Menoth White Highlight on the colour wheel
All matches: White Scar equivalents · Menoth White Highlight equivalents