Leviadon Blue vs Iceberg Grey

How close are they?

ΔE 19.5, loose: different enough that you should pick on purpose. Iceberg Grey is a little darker, much more muted than Leviadon Blue.

Can I use Iceberg Grey instead of Leviadon Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Iceberg Grey is a little darker, much more muted than Leviadon Blue.

Can I use Leviadon Blue instead of Iceberg Grey?

The same difference applies the other way round: Leviadon Blue is a little lighter, much 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.