Arctic Gem vs Lothern Blue

How close are they?

ΔE 5.3, very close: most people won’t see a difference side by side. Lothern Blue is more muted than Arctic Gem.

✓ Two Thin Coats comparison chart lists these two as equivalents.

Can I use Lothern Blue instead of Arctic Gem?

Yes, for most jobs. Very close match (ΔE 5). Lothern Blue is more muted than Arctic Gem.

Can I use Arctic Gem instead of Lothern Blue?

The same difference applies the other way round: Arctic Gem 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.