ΔE 11.7, fair: the same colour family, but not a straight swap. UK Light Stone is a little darker, more muted than Desert Khaki.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). UK Light Stone is a little darker, more muted than Desert Khaki.
The same difference applies the other way round: Desert Khaki is a little lighter, more saturated.
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 Desert Khaki on the colour wheel See UK Light Stone on the colour wheel
All matches: Desert Khaki equivalents · UK Light Stone equivalents