Yellow FS33531 vs Beige

How close are they?

ΔE 14.4, fair: the same colour family, but not a straight swap. Beige is a little darker, much more muted than Yellow FS33531.

Can I use Beige instead of Yellow FS33531?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Beige is a little darker, much more muted than Yellow FS33531.

Can I use Yellow FS33531 instead of Beige?

The same difference applies the other way round: Yellow FS33531 is a little lighter, 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.