When I submit a post, my name always shows up as grey. Some posts have authors with green color.<p>For example see this screenshot of HN at 8:35 PM IST : http://oi60.tinypic.com/16i9nao.jpg
New & throwaway accounts are highlighted in Green [1, 2].<p>[1] <a href="https://news.ycombinator.com/noobstories" rel="nofollow">https://news.ycombinator.com/noobstories</a><p>[2] <a href="https://news.ycombinator.com/item?id=2434333" rel="nofollow">https://news.ycombinator.com/item?id=2434333</a> (/search green)