Brass 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, cooler than Brass.

Can I use Radiant Yellow instead of Brass?

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, cooler than Brass.

Can I use Brass instead of Radiant Yellow?

The same difference applies the other way round: Brass is a little darker, 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.