Ironclad Grey vs Nightshade Purple

How close are they?

ΔE 10.1, fair: the same colour family, but not a straight swap. Nightshade Purple is a little darker, more saturated than Ironclad Grey.

Can I use Nightshade Purple instead of Ironclad Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Nightshade Purple is a little darker, more saturated than Ironclad Grey.

Can I use Ironclad Grey instead of Nightshade Purple?

The same difference applies the other way round: Ironclad Grey is a little lighter, more muted.

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.