ΔE 11.2, fair: the same colour family, but not a straight swap. Ember Orange is more saturated than Demigod Flames.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Ember Orange is more saturated than Demigod Flames.
The same difference applies the other way round: Demigod Flames is 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 Demigod Flames on the colour wheel See Ember Orange on the colour wheel
All matches: Demigod Flames equivalents · Ember Orange equivalents