ΔE 16.8, loose: different enough that you should pick on purpose. C.P. Cadmium Orange is much more saturated than Fire Dragon Bright.
Can I use C.P. Cadmium Orange instead of Fire Dragon Bright?
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). C.P. Cadmium Orange is much more saturated than Fire Dragon Bright.
Can I use Fire Dragon Bright instead of C.P. Cadmium Orange?
The same difference applies the other way round: Fire Dragon Bright is much 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.