Runic Cobalt vs Lendanis Grey

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. Lendanis Grey is more muted, warmer than Runic Cobalt.

Can I use Lendanis Grey instead of Runic Cobalt?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Lendanis Grey is more muted, warmer than Runic Cobalt.

Can I use Runic Cobalt instead of Lendanis Grey?

The same difference applies the other way round: Runic Cobalt is more saturated, cooler.

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.