Neon Yellow vs Fluorescent Chartreuse

How close are they?

ΔE 12.9, fair: the same colour family, but not a straight swap. Fluorescent Chartreuse is cooler than Neon Yellow.

Can I use Fluorescent Chartreuse instead of Neon Yellow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Fluorescent Chartreuse is cooler than Neon Yellow.

Can I use Neon Yellow instead of Fluorescent Chartreuse?

The same difference applies the other way round: Neon Yellow is 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.