ΔE 12.5, fair: the same colour family, but not a straight swap. Ogre Brown is a little darker, more muted than Gryph-Hound Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Ogre Brown is a little darker, more muted than Gryph-Hound Orange.
The same difference applies the other way round: Gryph-Hound 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 Gryph-Hound Orange on the colour wheel See Ogre Brown on the colour wheel
All matches: Gryph-Hound Orange equivalents · Ogre Brown equivalents