ΔE 13.2, fair: the same colour family, but not a straight swap. Trollslayer Orange is a little lighter, more saturated than Burn Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Trollslayer Orange is a little lighter, more saturated than Burn Orange.
The same difference applies the other way round: Burn Orange is a little darker, 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 Burn Orange on the colour wheel See Trollslayer Orange on the colour wheel
All matches: Burn Orange equivalents · Trollslayer Orange equivalents