ΔE 10.9, fair: the same colour family, but not a straight swap. Dawnstone is a little lighter, more muted than Dull Dark Green FS 34092.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Dawnstone is a little lighter, more muted than Dull Dark Green FS 34092.
The same difference applies the other way round: Dull Dark Green FS 34092 is a little darker, 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 Dull Dark Green FS 34092 on the colour wheel See Dawnstone on the colour wheel
All matches: Dull Dark Green FS 34092 equivalents · Dawnstone equivalents