ΔE 18.5, loose: different enough that you should pick on purpose. Manticore Ochre is a little darker, more saturated, cooler than Peachy Flesh. They are different kinds of paint: Army Painter Peachy Flesh is a one-coat contrast-style paint and Two Thin Coats Manticore Ochre is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Manticore Ochre is a little darker, more saturated, cooler than Peachy Flesh. They are different kinds of paint.
The same difference applies the other way round: Peachy Flesh is a little lighter, more muted, 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 Peachy Flesh on the colour wheel See Manticore Ochre on the colour wheel
All matches: Peachy Flesh equivalents · Manticore Ochre equivalents