ΔE 9.8, close: similar, with a visible difference side by side. Samurai Green is a little darker, warmer than Royal Cloak.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Samurai Green is a little darker, warmer than Royal Cloak.
The same difference applies the other way round: Royal Cloak 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 Royal Cloak on the colour wheel See Samurai Green on the colour wheel
All matches: Royal Cloak equivalents · Samurai Green equivalents