ΔE 14.9, fair: the same colour family, but not a straight swap. Dark Yellow 2 is a little lighter, more saturated, warmer than Light Soviet Khaki.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Dark Yellow 2 is a little lighter, more saturated, warmer than Light Soviet Khaki.
The same difference applies the other way round: Light Soviet Khaki is a little darker, more muted, cooler.
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 Light Soviet Khaki on the colour wheel See Dark Yellow 2 on the colour wheel
All matches: Light Soviet Khaki equivalents · Dark Yellow 2 equivalents