Stainless steel jewelry should not turn green itself and will not cause your skin to turn green. While it does contain traces of nickel, it is not released from the steel because it is very well integrated into the material.
Do bronze rings turn green?
Bronze and Green Skin Because of the copper content in bronze, sometimes wearing bronze can cause your skin to turn green where it touches the metal…. The excess chelates on your skin is what causes the discoloration.