Fluor Yellow vs Fluorescent Yellow

How close are they?

ΔE 11.1, fair: the same colour family, but not a straight swap. Fluorescent Yellow is more saturated than Fluor Yellow.

Can I use Fluorescent Yellow instead of Fluor Yellow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Fluorescent Yellow is more saturated than Fluor Yellow.

Can I use Fluor Yellow instead of Fluorescent Yellow?

The same difference applies the other way round: Fluor Yellow 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.