Castellan Green vs Military Green

How close are they?

ΔE 14.1, fair: the same colour family, but not a straight swap. Military Green is more muted, warmer than Castellan Green.

Can I use Military Green instead of Castellan Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Military Green is more muted, warmer than Castellan Green.

Can I use Castellan Green instead of Military Green?

The same difference applies the other way round: Castellan 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.