ΔE 13.5, fair: the same colour family, but not a straight swap. Solar Flare is a little darker, much more saturated than Orange Magma.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Solar Flare is a little darker, much more saturated than Orange Magma.
The same difference applies the other way round: Orange Magma is a little lighter, much more muted.
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 Magma on the colour wheel See Solar Flare on the colour wheel
All matches: Orange Magma equivalents · Solar Flare equivalents