ΔE 10.9, fair: the same colour family, but not a straight swap. Desert Webbing is a little lighter, cooler than Dust.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Desert Webbing is a little lighter, cooler than Dust.
The same difference applies the other way round: Dust is a little darker, 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 Dust on the colour wheel See Desert Webbing on the colour wheel
All matches: Dust equivalents · Desert Webbing equivalents