What would cause green in a finger by the nail?

What would cause green coloring in the skin of the finger near the nail ? It comes and goes off and on without warning . Been like this for months. But I feel fine . I would think infection. But then it goes away.What would cause green in a finger by the nail?
It could be some kind of fungus. You need to keep all of your


fingers. You should have it checked by your doctor.What would cause green in a finger by the nail?
this sounds like a fungal infection remember some infections appear to have gone away but in fact are still there. being as though the green comes and goes every so often is proof enough that this condition needs to be treated professionally.
fungus