ΔE 9.3, close: similar, with a visible difference side by side. Ochre is a little darker, warmer than Zinc-Chromate Type I FS34151.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Ochre is a little darker, warmer than Zinc-Chromate Type I FS34151.
The same difference applies the other way round: Zinc-Chromate Type I FS34151 is a little lighter, 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.
See Zinc-Chromate Type I FS34151 on the colour wheel See Ochre on the colour wheel
All matches: Zinc-Chromate Type I FS34151 equivalents · Ochre equivalents