ΔE 6.8, close: similar, with a visible difference side by side. Medium Grey Blue is a little lighter, cooler than Patagon Pine.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Medium Grey Blue is a little lighter, cooler than Patagon Pine.
The same difference applies the other way round: Patagon Pine 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 Patagon Pine on the colour wheel See Medium Grey Blue on the colour wheel
All matches: Patagon Pine equivalents · Medium Grey Blue equivalents