Imrik Blue vs Fluorescent Blue

How close are they?

ΔE 6.9, close: similar, with a visible difference side by side. Fluorescent Blue is a little lighter, cooler than Imrik Blue. They are different kinds of paint: Citadel Imrik Blue is an opaque base/layer paint and Vallejo Fluorescent Blue 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 Blue instead of Imrik Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Fluorescent Blue is a little lighter, cooler than Imrik Blue. They are different kinds of paint.

Can I use Imrik Blue instead of Fluorescent Blue?

The same difference applies the other way round: Imrik Blue is a little darker, 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.