ΔE 9.1, close: similar, with a visible difference side by side. Dk Mediterr. Blue is a little darker, warmer than Twilight Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Dk Mediterr. Blue is a little darker, warmer than Twilight Blue.
The same difference applies the other way round: Twilight Blue is a little lighter, 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.
See Twilight Blue on the colour wheel See Dk Mediterr. Blue on the colour wheel
All matches: Twilight Blue equivalents · Dk Mediterr. Blue equivalents