ΔE 20.3, loose: different enough that you should pick on purpose. Chameleon Orange is noticeably darker, cooler than Evil Root.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Chameleon Orange is noticeably darker, cooler than Evil Root.
The same difference applies the other way round: Evil Root is noticeably 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 Evil Root on the colour wheel See Chameleon Orange on the colour wheel
All matches: Evil Root equivalents · Chameleon Orange equivalents