ΔE 10.1, fair: the same colour family, but not a straight swap. Ochre is more muted, warmer than Nº1 Light Green (FS34151).
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Ochre is more muted, warmer than Nº1 Light Green (FS34151).
The same difference applies the other way round: Nº1 Light Green (FS34151) 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.
See Nº1 Light Green (FS34151) on the colour wheel See Ochre on the colour wheel
All matches: Nº1 Light Green (FS34151) equivalents · Ochre equivalents