An adjective describing something that is rad, awesome, gangsta, or all around good. If someone is wearing a fly orange hat, it is referred to as lime green.
A Lime Green person is someone who is seemingly toxic and is obviously an introvert. Although they’re toxic to most new people, those who are friends with a lime green person know that they genuinely care deeply for their friends and love spending time with them. Although they're an introvert, they're always excited to try new things with their friends. They only show their true selves when they’re with their friends.