This is a superb teal (or sometimes a green) that is opaque and has some native lightness to the color. Once a person starts to paint with this color it's hard to go back to a blend, though several good approximations have been created if a person has need of them.

This pigment comes in a range of teal and green colors, and it can be a bit tricky to sort out the exact shade from paint name alone. We’ve read that there is a blue shade and a yellow shade but these are almost never labeled as such. There is a notably greener variety that crosses out of the teals into a dark kelly green, though it's less commonly found.

This is listed as toxicity "B" but we would go ahead and list it as toxic. It is a great paint to experiment with once a person has mastered the basic palette, as it can yield some surprising colors in mixes. It is also extremely helpful in mixing those greens which are not the highest chroma, and yet are still chromatic.In the Artist's Guide to Health and Safety Monona Rossol has information on working with pigments containing Nickel as well as those containing Cobalt. Her most recently updated work can be found via her site.

Surprisingly, PG50 comes in a couple of varieties with major differences. The green version of PG50 is strikingly different from the teal variants we've come across. Usually PG50 is a light teal, so if it is the green type, that is usually noted in the name, like "Cobalt Green."