Ocean Light vs Light Sea Blue

How close are they?

ΔE 9.4, close: similar, with a visible difference side by side. Light Sea Blue is a little darker, more saturated, warmer than Ocean Light.

Can I use Light Sea Blue instead of Ocean Light?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Light Sea Blue is a little darker, more saturated, warmer than Ocean Light.

Can I use Ocean Light instead of Light Sea Blue?

The same difference applies the other way round: Ocean Light is a little lighter, more muted, 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.