Gladeshard vs Scorpy Green

How close are they?

ΔE 25.0, loose: different enough that you should pick on purpose. Scorpy Green is a little lighter, much more saturated, cooler than Gladeshard.

Can I use Scorpy Green instead of Gladeshard?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Scorpy Green is a little lighter, much more saturated, cooler than Gladeshard.

Can I use Gladeshard instead of Scorpy Green?

The same difference applies the other way round: Gladeshard is a little darker, much 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.