ΔE 7.9, close: similar, with a visible difference side by side. Solar Flare is more muted than Incursion Orange.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Solar Flare is more muted than Incursion Orange.
The same difference applies the other way round: Incursion Orange is 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 Incursion Orange on the colour wheel See Solar Flare on the colour wheel
All matches: Incursion Orange equivalents · Solar Flare equivalents