Dark Eternal Night vs Dark Blue RLM24

How close are they?

ΔE 13.1, fair: the same colour family, but not a straight swap. Dark Blue RLM24 is much more saturated than Dark Eternal Night.

Can I use Dark Blue RLM24 instead of Dark Eternal Night?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Dark Blue RLM24 is much more saturated than Dark Eternal Night.

Can I use Dark Eternal Night instead of Dark Blue RLM24?

The same difference applies the other way round: Dark Eternal Night is much 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.