No, once upon a time they were, but in order to grow their membership, the Greens have been moving further to the left economically (as that is where most Green-intending voters tend to be)
And also on social issues. A few years ago I was really hoping to start voting Green, but the rumblings were already about. In the last few months May backtracked in every mortal stand she had made about voting your conscience, allowing back-benchers proper freedom to bring up issues, etc., and between that and the rushed party purity tests they just stepped off the deep end.