ΔE 11.8, fair: the same colour family, but not a straight swap. Ocean Light is more saturated, cooler than Etherium Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Ocean Light is more saturated, cooler than Etherium Blue.
The same difference applies the other way round: Etherium Blue 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.
See Etherium Blue on the colour wheel See Ocean Light on the colour wheel
All matches: Etherium Blue equivalents · Ocean Light equivalents