Patagon Pine vs Seafoam Blue

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Seafoam Blue is more saturated, cooler than Patagon Pine.

Can I use Seafoam Blue instead of Patagon Pine?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Seafoam Blue is more saturated, cooler than Patagon Pine.

Can I use Patagon Pine instead of Seafoam Blue?

The same difference applies the other way round: Patagon Pine is more muted, 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.