ΔE 10.5, fair: the same colour family, but not a straight swap. Tallarn Sand is more saturated, warmer than Ocher Khaki.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Tallarn Sand is more saturated, warmer than Ocher Khaki.
The same difference applies the other way round: Ocher Khaki is more muted, cooler.
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 Ocher Khaki on the colour wheel See Tallarn Sand on the colour wheel
All matches: Ocher Khaki equivalents · Tallarn Sand equivalents