Bugman's Glow vs Caucasian Skin

How close are they?

ΔE 15.1, loose: different enough that you should pick on purpose. Caucasian Skin is a little lighter, much more saturated than Bugman's Glow.

Can I use Caucasian Skin instead of Bugman's Glow?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Caucasian Skin is a little lighter, much more saturated than Bugman's Glow.

Can I use Bugman's Glow instead of Caucasian Skin?

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