Squig Orange vs Fluorescent Orange

How close are they?

ΔE 12.9, fair: the same colour family, but not a straight swap. Fluorescent Orange is more saturated than Squig Orange. They are different kinds of paint: Citadel Squig Orange is an opaque base/layer paint and Tamiya Fluorescent Orange 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 Orange instead of Squig Orange?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Fluorescent Orange is more saturated than Squig Orange. They are different kinds of paint.

Can I use Squig Orange instead of Fluorescent Orange?

The same difference applies the other way round: Squig Orange is 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.