ΔE 19.4, loose: different enough that you should pick on purpose. Gnome Flesh is noticeably lighter, more saturated, warmer than Bugman's Glow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Gnome Flesh is noticeably lighter, more saturated, warmer than Bugman's Glow.
The same difference applies the other way round: Bugman's Glow is noticeably darker, more muted, cooler.
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 Bugman's Glow on the colour wheel See Gnome Flesh on the colour wheel
All matches: Bugman's Glow equivalents · Gnome Flesh equivalents