Nurgling Green vs Soft Green

How close are they?

ΔE 17.3, loose: different enough that you should pick on purpose. Soft Green is a little lighter, more muted, cooler than Nurgling Green.

Can I use Soft Green instead of Nurgling Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Soft Green is a little lighter, more muted, cooler than Nurgling Green.

Can I use Nurgling Green instead of Soft Green?

The same difference applies the other way round: Nurgling 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.