ΔE 8.8, close: similar, with a visible difference side by side. Beige is a little darker, cooler than Radome.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Beige is a little darker, cooler than Radome.
The same difference applies the other way round: Radome is a little lighter, warmer.
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.
See Radome on the colour wheel See Beige on the colour wheel
All matches: Radome equivalents · Beige equivalents