ΔE 8.8, close: similar, with a visible difference side by side. Gryph-Hound Orange is a little lighter, more saturated than Ochre. They are different kinds of paint: AMMO by Mig Ochre is an opaque base/layer paint and Citadel Gryph-Hound Orange is a one-coat contrast-style paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Gryph-Hound Orange is a little lighter, more saturated than Ochre. They are different kinds of paint.
The same difference applies the other way round: Ochre is a little darker, more muted.
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 Ochre on the colour wheel See Gryph-Hound Orange on the colour wheel
All matches: Ochre equivalents · Gryph-Hound Orange equivalents