ΔE 12.7, fair: the same colour family, but not a straight swap. T'au Light Ochre is more muted, cooler than Demigod Flames.
✓ Army Painter Fanatic conversion chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). T'au Light Ochre is more muted, cooler than Demigod Flames.
The same difference applies the other way round: Demigod Flames is 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 Demigod Flames on the colour wheel See T'au Light Ochre on the colour wheel
All matches: Demigod Flames equivalents · T'au Light Ochre equivalents