ΔE 8.0, close: similar, with a visible difference side by side. Light Orange is a little lighter, more muted than Orange.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Light Orange is a little lighter, more muted than Orange.
The same difference applies the other way round: Orange is a little darker, 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 Orange on the colour wheel See Light Orange on the colour wheel
All matches: Orange equivalents · Light Orange equivalents