Dark Green Kawanishi vs German Uniform

How close are they?

ΔE 6.0, close: similar, with a visible difference side by side. German Uniform is more muted, warmer than Dark Green Kawanishi.

Can I use German Uniform instead of Dark Green Kawanishi?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). German Uniform is more muted, warmer than Dark Green Kawanishi.

Can I use Dark Green Kawanishi instead of German Uniform?

The same difference applies the other way round: Dark Green Kawanishi 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.