ΔE 9.9, close: similar, with a visible difference side by side. Glacier Blue is more muted, warmer than Smoke Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Glacier Blue is more muted, warmer than Smoke Blue.
The same difference applies the other way round: Smoke Blue is 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 Smoke Blue on the colour wheel See Glacier Blue on the colour wheel
All matches: Smoke Blue equivalents · Glacier Blue equivalents