Grass Green vs Light Emerald

How close are they?

ΔE 14.3, fair: the same colour family, but not a straight swap. Light Emerald is a little lighter, more muted, cooler than Grass Green.

Can I use Light Emerald instead of Grass Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Emerald is a little lighter, more muted, cooler than Grass Green.

Can I use Grass Green instead of Light Emerald?

The same difference applies the other way round: Grass Green is a little darker, more saturated, 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.