Pucker vs Radiant Yellow

How close are they?

ΔE 12.6, fair: the same colour family, but not a straight swap. Radiant Yellow is a little lighter, more muted than Pucker.

Can I use Radiant Yellow instead of Pucker?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Radiant Yellow is a little lighter, more muted than Pucker.

Can I use Pucker instead of Radiant Yellow?

The same difference applies the other way round: Pucker is a little darker, more saturated.

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.