ΔE 21.4, loose: different enough that you should pick on purpose. Inferno Orange is noticeably lighter, more saturated, warmer than Evil Sunz Scarlet.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Inferno Orange is noticeably lighter, more saturated, warmer than Evil Sunz Scarlet.
The same difference applies the other way round: Evil Sunz Scarlet is noticeably darker, more muted, 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 Evil Sunz Scarlet on the colour wheel See Inferno Orange on the colour wheel
All matches: Evil Sunz Scarlet equivalents · Inferno Orange equivalents