Permanent Orange vs Light Orange

How close are they?

ΔE 14.0, fair: the same colour family, but not a straight swap. Light Orange is much more muted than Permanent Orange.

Can I use Light Orange instead of Permanent Orange?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Orange is much more muted than Permanent Orange.

Can I use Permanent Orange instead of Light Orange?

The same difference applies the other way round: Permanent Orange 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.