ΔE 27.7, loose: different enough that you should pick on purpose. Gnome Flesh is a little lighter, much more muted than Lugganath Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 28). Gnome Flesh is a little lighter, much more muted than Lugganath Orange.
The same difference applies the other way round: Lugganath Orange is a little darker, much 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 Lugganath Orange on the colour wheel See Gnome Flesh on the colour wheel
All matches: Lugganath Orange equivalents · Gnome Flesh equivalents