ΔE 12.1, fair: the same colour family, but not a straight swap. Brethil Blush is a little darker, more muted than Ocher Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Brethil Blush is a little darker, more muted than Ocher Orange.
The same difference applies the other way round: Ocher Orange is a little lighter, more saturated.
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 Ocher Orange on the colour wheel See Brethil Blush on the colour wheel
All matches: Ocher Orange equivalents · Brethil Blush equivalents