ΔE 13.3, fair: the same colour family, but not a straight swap. Apocalypse Sky is noticeably lighter, more muted than Evil Sunz Scarlet.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Apocalypse Sky is noticeably lighter, more muted than Evil Sunz Scarlet.
The same difference applies the other way round: Evil Sunz Scarlet is noticeably darker, more saturated.
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 Apocalypse Sky on the colour wheel
All matches: Evil Sunz Scarlet equivalents · Apocalypse Sky equivalents