Bugman's Glow vs Pink Flesh

How close are they?

ΔE 16.3, loose: different enough that you should pick on purpose. Pink Flesh is noticeably lighter, cooler than Bugman's Glow.

Can I use Pink Flesh instead of Bugman's Glow?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Pink Flesh is noticeably lighter, cooler than Bugman's Glow.

Can I use Bugman's Glow instead of Pink Flesh?

The same difference applies the other way round: Bugman's Glow is noticeably darker, 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.