Fluorescent Yellow vs Neon Yellow

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Neon Yellow is a little lighter, more saturated than Fluorescent Yellow.

Can I use Neon Yellow instead of Fluorescent Yellow?

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

Can I use Fluorescent Yellow instead of Neon Yellow?

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