ΔE 13.7, fair: the same colour family, but not a straight swap. Evil Sunz Scarlet is noticeably darker, more saturated than Blood Moon Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Evil Sunz Scarlet is noticeably darker, more saturated than Blood Moon Red.
The same difference applies the other way round: Blood Moon Red is noticeably lighter, 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.
See Blood Moon Red on the colour wheel See Evil Sunz Scarlet on the colour wheel
All matches: Blood Moon Red equivalents · Evil Sunz Scarlet equivalents