Rainy Grey vs Light Green Blue

How close are they?

ΔE 11.2, fair: the same colour family, but not a straight swap. Light Green Blue is a little lighter, more saturated than Rainy Grey.

Can I use Light Green Blue instead of Rainy Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Light Green Blue is a little lighter, more saturated than Rainy Grey.

Can I use Rainy Grey instead of Light Green Blue?

The same difference applies the other way round: Rainy Grey is a little darker, more muted.

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.