ΔE 13.7, fair: the same colour family, but not a straight swap. Raw Sienna is a little darker, more muted, cooler than Orange Magma.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Raw Sienna is a little darker, more muted, cooler than Orange Magma.
The same difference applies the other way round: Orange Magma is a little lighter, more saturated, warmer.
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 Raw Sienna on the colour wheel
All matches: Orange Magma equivalents · Raw Sienna equivalents