ΔE 12.0, fair: the same colour family, but not a straight swap. Krieg Khaki is noticeably lighter, more saturated than Dust.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Krieg Khaki is noticeably lighter, more saturated than Dust.
The same difference applies the other way round: Dust is noticeably darker, more muted.
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 Krieg Khaki on the colour wheel
All matches: Dust equivalents · Krieg Khaki equivalents