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