ΔE 10.0, close: similar, with a visible difference side by side. Emerald is more saturated, warmer than Dragon Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Emerald is more saturated, warmer than Dragon Blue.
The same difference applies the other way round: Dragon Blue is more muted, 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 Dragon Blue on the colour wheel See Emerald on the colour wheel
All matches: Dragon Blue equivalents · Emerald equivalents