Azure vs Viking Grey

How close are they?

ΔE 14.8, fair: the same colour family, but not a straight swap. Viking Grey is more muted, cooler than Azure.

Can I use Viking Grey instead of Azure?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Viking Grey is more muted, cooler than Azure.

Can I use Azure instead of Viking Grey?

The same difference applies the other way round: Azure is 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.