ΔE 24.9, loose: different enough that you should pick on purpose. Chameleon Orange is noticeably darker, much more muted, cooler than Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Chameleon Orange is noticeably darker, much more muted, cooler than Orange.
The same difference applies the other way round: Orange is noticeably lighter, much more saturated, 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 Orange on the colour wheel See Chameleon Orange on the colour wheel
All matches: Orange equivalents · Chameleon Orange equivalents