ΔE 9.6, close: similar, with a visible difference side by side. Oxide Brown Medium is cooler than Thondia Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Oxide Brown Medium is cooler than Thondia Brown.
The same difference applies the other way round: Thondia Brown is 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 Thondia Brown on the colour wheel See Oxide Brown Medium on the colour wheel
All matches: Thondia Brown equivalents · Oxide Brown Medium equivalents