Indigo Blue vs Iceberg Grey

How close are they?

ΔE 13.3, fair: the same colour family, but not a straight swap. Iceberg Grey is a little lighter, more muted, cooler than Indigo Blue.

Can I use Iceberg Grey instead of Indigo Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Iceberg Grey is a little lighter, more muted, cooler than Indigo Blue.

Can I use Indigo Blue instead of Iceberg Grey?

The same difference applies the other way round: Indigo Blue is a little darker, more saturated, warmer.

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.