Straken Green vs Olive Drab (USAF)

How close are they?

ΔE 13.3, fair: the same colour family, but not a straight swap. Olive Drab (USAF) is much more muted, warmer than Straken Green.

Can I use Olive Drab (USAF) instead of Straken Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Olive Drab (USAF) is much more muted, warmer than Straken Green.

Can I use Straken Green instead of Olive Drab (USAF)?

The same difference applies the other way round: Straken Green is much more saturated, 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.