Light Tone vs Fuegan Orange

How close are they?

ΔE 25.2, loose: different enough that you should pick on purpose. Fuegan Orange is much more saturated, warmer than Light Tone.

Can I use Fuegan Orange instead of Light Tone?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Fuegan Orange is much more saturated, warmer than Light Tone.

Can I use Light Tone instead of Fuegan Orange?

The same difference applies the other way round: Light Tone is much more muted, cooler.

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.