Weed Green vs Olive Drab

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Olive Drab is more muted, warmer than Weed Green.

Can I use Olive Drab instead of Weed Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Olive Drab is more muted, warmer than Weed Green.

Can I use Weed Green instead of Olive Drab?

The same difference applies the other way round: Weed Green is 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.