Fuchsia Skin vs Lipstick

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Lipstick is more muted than Fuchsia Skin.

Can I use Lipstick instead of Fuchsia Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Lipstick is more muted than Fuchsia Skin.

Can I use Fuchsia Skin instead of Lipstick?

The same difference applies the other way round: Fuchsia Skin is 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.