ΔE 8.7, close: similar, with a visible difference side by side. Cartacci Red is a little darker than Evil Sunz Scarlet.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Cartacci Red is a little darker than Evil Sunz Scarlet.
The same difference applies the other way round: Evil Sunz Scarlet is a little lighter.
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 Cartacci Red on the colour wheel
All matches: Evil Sunz Scarlet equivalents · Cartacci Red equivalents