Niblet Green vs Permanent Green Light

How close are they?

ΔE 11.5, fair: the same colour family, but not a straight swap. Permanent Green Light is more saturated than Niblet Green.

Can I use Permanent Green Light instead of Niblet Green?

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

Can I use Niblet Green instead of Permanent Green Light?

The same difference applies the other way round: Niblet Green is 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.