ΔE 15.9, loose: different enough that you should pick on purpose. Clear Orange is a little darker, cooler than Fire Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Clear Orange is a little darker, cooler than Fire Orange.
The same difference applies the other way round: Fire Orange is a little lighter, warmer.
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 Fire Orange on the colour wheel See Clear Orange on the colour wheel
All matches: Fire Orange equivalents · Clear Orange equivalents