ΔE 11.9, fair: the same colour family, but not a straight swap. Bestial Brown is noticeably darker than Sunburst Ochre.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Bestial Brown is noticeably darker than Sunburst Ochre.
The same difference applies the other way round: Sunburst Ochre is noticeably 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 Sunburst Ochre on the colour wheel See Bestial Brown on the colour wheel
All matches: Sunburst Ochre equivalents · Bestial Brown equivalents