Dark Rose Tan vs German Orange

How close are they?

ΔE 6.8, close: similar, with a visible difference side by side. German Orange is a little darker than Dark Rose Tan.

Can I use German Orange instead of Dark Rose Tan?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). German Orange is a little darker than Dark Rose Tan.

Can I use Dark Rose Tan instead of German Orange?

The same difference applies the other way round: Dark Rose Tan is a little lighter.

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.