ΔE 13.6, fair: the same colour family, but not a straight swap. Vat Orange is a little lighter, warmer than Emberveil.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Vat Orange is a little lighter, warmer than Emberveil.
The same difference applies the other way round: Emberveil is a little darker, 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 Emberveil on the colour wheel See Vat Orange on the colour wheel
All matches: Emberveil equivalents · Vat Orange equivalents