Evil Sunz Scarlet vs Cloud Pink

How close are they?

ΔE 26.1, loose: different enough that you should pick on purpose. Cloud Pink is a little lighter, much more muted, cooler than Evil Sunz Scarlet.

Can I use Cloud Pink instead of Evil Sunz Scarlet?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Cloud Pink is a little lighter, much more muted, cooler than Evil Sunz Scarlet.

Can I use Evil Sunz Scarlet instead of Cloud Pink?

The same difference applies the other way round: Evil Sunz Scarlet is a little darker, much more saturated, 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.