Eidolon Purple Clear vs Fluorescent Violet

How close are they?

ΔE 8.2, close: similar, with a visible difference side by side. Fluorescent Violet is a little darker than Eidolon Purple Clear. They are different kinds of paint: Citadel Eidolon Purple Clear is an opaque base/layer paint and Vallejo Fluorescent Violet 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 Violet instead of Eidolon Purple Clear?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Fluorescent Violet is a little darker than Eidolon Purple Clear. They are different kinds of paint.

Can I use Eidolon Purple Clear instead of Fluorescent Violet?

The same difference applies the other way round: Eidolon Purple Clear 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.