ΔE 14.0, fair: the same colour family, but not a straight swap. Tyrant Skull is a little darker, more saturated, cooler than Hobgoblin Hue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Tyrant Skull is a little darker, more saturated, cooler than Hobgoblin Hue.
The same difference applies the other way round: Hobgoblin Hue 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 Hobgoblin Hue on the colour wheel See Tyrant Skull on the colour wheel
All matches: Hobgoblin Hue equivalents · Tyrant Skull equivalents