ΔE 7.3, close: similar, with a visible difference side by side. Bluebird Grey is a little lighter, cooler than Daemonette Hide.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bluebird Grey is a little lighter, cooler than Daemonette Hide.
The same difference applies the other way round: Daemonette Hide is a little darker, 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.
See Daemonette Hide on the colour wheel See Bluebird Grey on the colour wheel
All matches: Daemonette Hide equivalents · Bluebird Grey equivalents