ΔE 8.4, close: similar, with a visible difference side by side. Titan Mars Pale is a little darker, more saturated than Hobgoblin Hue.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Titan Mars Pale is a little darker, more saturated than Hobgoblin Hue.
The same difference applies the other way round: Hobgoblin Hue is a little lighter, 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 Hobgoblin Hue on the colour wheel See Titan Mars Pale on the colour wheel
All matches: Hobgoblin Hue equivalents · Titan Mars Pale equivalents