ΔE 9.8, close: similar, with a visible difference side by side. Cement Grey is a little lighter, warmer than Pale Lichen.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Cement Grey is a little lighter, warmer than Pale Lichen.
The same difference applies the other way round: Pale Lichen is a little darker, cooler.
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 Pale Lichen on the colour wheel See Cement Grey on the colour wheel
All matches: Pale Lichen equivalents · Cement Grey equivalents