ΔE 7.3, close: similar, with a visible difference side by side. Light Blue Green is a little darker, more muted than Royal Cloak.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Light Blue Green is a little darker, more muted than Royal Cloak.
The same difference applies the other way round: Royal Cloak is a little lighter, more saturated.
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 Royal Cloak on the colour wheel See Light Blue Green on the colour wheel
All matches: Royal Cloak equivalents · Light Blue Green equivalents