Ice Blue vs Etherium Blue

How close are they?

ΔE 14.2, fair: the same colour family, but not a straight swap. Etherium Blue is noticeably darker, more saturated, cooler than Ice Blue.

Can I use Etherium Blue instead of Ice Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Etherium Blue is noticeably darker, more saturated, cooler than Ice Blue.

Can I use Ice Blue instead of Etherium Blue?

The same difference applies the other way round: Ice Blue is noticeably lighter, 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.