WWI German Red Brown vs Sunburst Ochre

How close are they?

ΔE 8.2, close: similar, with a visible difference side by side. Sunburst Ochre is a little lighter than WWI German Red Brown.

Can I use Sunburst Ochre instead of WWI German Red Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sunburst Ochre is a little lighter than WWI German Red Brown.

Can I use WWI German Red Brown instead of Sunburst Ochre?

The same difference applies the other way round: WWI German Red Brown is a little darker.

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.