ΔE 8.1, close: similar, with a visible difference side by side. Mars Orange is a little darker than Demigod Flames.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Mars Orange is a little darker than Demigod Flames.
The same difference applies the other way round: Demigod Flames is a little lighter.
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 Demigod Flames on the colour wheel See Mars Orange on the colour wheel
All matches: Demigod Flames equivalents · Mars Orange equivalents