ΔE 14.1, fair: the same colour family, but not a straight swap. Radiant Yellow is much more muted than Bees Knees.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Radiant Yellow is much more muted than Bees Knees.
The same difference applies the other way round: Bees Knees is much 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.
See Bees Knees on the colour wheel See Radiant Yellow on the colour wheel
All matches: Bees Knees equivalents · Radiant Yellow equivalents