ΔE 12.3, fair: the same colour family, but not a straight swap. Steel Grey is more muted, warmer than Ocean Light.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Steel Grey is more muted, warmer than Ocean Light.
The same difference applies the other way round: Ocean Light 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 Light on the colour wheel See Steel Grey on the colour wheel
All matches: Ocean Light equivalents · Steel Grey equivalents