Dead Flush vs Nocturna Shadow

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. Nocturna Shadow is noticeably darker, more muted than Dead Flush.

Can I use Nocturna Shadow instead of Dead Flush?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Nocturna Shadow is noticeably darker, more muted than Dead Flush.

Can I use Dead Flush instead of Nocturna Shadow?

The same difference applies the other way round: Dead Flush is noticeably lighter, 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.