Evil Sunz Scarlet vs Fluorescent Red

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. Fluorescent Red is a little lighter, more saturated than Evil Sunz Scarlet. They are different kinds of paint: Citadel Evil Sunz Scarlet is an opaque base/layer paint and Vallejo Fluorescent Red is a fluorescent or effect paint, so they won’t behave the same on the model even where the colour is close.

Can I use Fluorescent Red instead of Evil Sunz Scarlet?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Fluorescent Red is a little lighter, more saturated than Evil Sunz Scarlet. They are different kinds of paint.

Can I use Evil Sunz Scarlet instead of Fluorescent Red?

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