ΔE 13.2, fair: the same colour family, but not a straight swap. Radiant Yellow is a little lighter, more muted, cooler than Orange You Glad.
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, cooler than Orange You Glad.
The same difference applies the other way round: Orange You Glad is a little darker, more saturated, 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.
See Orange You Glad on the colour wheel See Radiant Yellow on the colour wheel
All matches: Orange You Glad equivalents · Radiant Yellow equivalents