ΔE 11.8, fair: the same colour family, but not a straight swap. Red Flesh is more saturated, cooler than Bugman's Glow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Red Flesh is more saturated, cooler than Bugman's Glow.
The same difference applies the other way round: Bugman's Glow is 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 Bugman's Glow on the colour wheel See Red Flesh on the colour wheel
All matches: Bugman's Glow equivalents · Red Flesh equivalents