ΔE 7.8, close: similar, with a visible difference side by side. Pale Blue is a little lighter, more muted, warmer than Freezing Moon.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Pale Blue is a little lighter, more muted, warmer than Freezing Moon.
The same difference applies the other way round: Freezing Moon is a little darker, more saturated, 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 Freezing Moon on the colour wheel See Pale Blue on the colour wheel
All matches: Freezing Moon equivalents · Pale Blue equivalents