ΔE 12.5, fair: the same colour family, but not a straight swap. Hearthborn is a little lighter, more muted than Light Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Hearthborn is a little lighter, more muted than Light Orange.
The same difference applies the other way round: Light Orange is a little darker, more saturated.
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 Light Orange on the colour wheel See Hearthborn on the colour wheel
All matches: Light Orange equivalents · Hearthborn equivalents