ΔE 14.0, fair: the same colour family, but not a straight swap. Phoenix Orange is a little lighter, warmer than Crimson.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Phoenix Orange is a little lighter, warmer than Crimson.
The same difference applies the other way round: Crimson 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 Crimson on the colour wheel See Phoenix Orange on the colour wheel
All matches: Crimson equivalents · Phoenix Orange equivalents