Flaming Forge Orange vs Light Orange

How close are they?

ΔE 19.1, loose: different enough that you should pick on purpose. Light Orange is a little darker, more saturated, cooler than Flaming Forge Orange.

Can I use Light Orange instead of Flaming Forge Orange?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Light Orange is a little darker, more saturated, cooler than Flaming Forge Orange.

Can I use Flaming Forge Orange instead of Light Orange?

The same difference applies the other way round: Flaming Forge Orange is a little lighter, more muted, 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.