ΔE 14.4, fair: the same colour family, but not a straight swap. Thondia Brown is noticeably lighter, more saturated than Burnt Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Thondia Brown is noticeably lighter, more saturated than Burnt Brown.
The same difference applies the other way round: Burnt Brown is noticeably darker, 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 Burnt Brown on the colour wheel See Thondia Brown on the colour wheel
All matches: Burnt Brown equivalents · Thondia Brown equivalents