Well, that is your current rank. If you want to change it, you'll have to rate and comment on a few more storygames on the site. If you want to know more there's this article for you to read: LINK
I'm not really sure about the second one, but I believe that the colour changing is because of the different orders. If one order gets the most commendations on a given day, their name will be colored differently. Article about orders and commendations: LINK
However, none of that is really that relevant or important. Just have fun reading!