ΔE 13.4, fair: the same colour family, but not a straight swap. Webbing Khaki is more muted, cooler than Dirty Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Webbing Khaki is more muted, cooler than Dirty Yellow.
The same difference applies the other way round: Dirty Yellow is more saturated, 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 Dirty Yellow on the colour wheel See Webbing Khaki on the colour wheel
All matches: Dirty Yellow equivalents · Webbing Khaki equivalents