Protective Green 1920s-1930s vs Angel Green

How close are they?

ΔE 5.6, very close: most people won’t see a difference side by side. Angel Green is a little lighter, cooler than Protective Green 1920s-1930s.

Can I use Angel Green instead of Protective Green 1920s-1930s?

Yes, for most jobs. Very close match (ΔE 6). Angel Green is a little lighter, cooler than Protective Green 1920s-1930s.

Can I use Protective Green 1920s-1930s instead of Angel Green?

The same difference applies the other way round: Protective Green 1920s-1930s is a little darker, 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.