Pale Lichen vs Pacific Green

How close are they?

ΔE 8.5, close: similar, with a visible difference side by side. Pacific Green is a little darker than Pale Lichen.

Can I use Pacific Green instead of Pale Lichen?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Pacific Green is a little darker than Pale Lichen.

Can I use Pale Lichen instead of Pacific Green?

The same difference applies the other way round: Pale Lichen is a little lighter.

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.