From 3.8 update WordPress provides you six awesome admin area color schemes and now Admin Color Schemes plugin has also been updated so you get many extra color schemes for your WordPress dashboard. Now this tutorial is on new, light weight but very interesting free plugin called Color Schemes Roulette, the plugin is made for changing your admin colors in random and yes it is compatible with Admin Color Schemes plugin.
Simply install and activate the plugin and that’s all. The plugin motivates you and your users to publish more and more blog posts and as soon any new blog post is published, the admin color scheme is changed to random automatically. The function also works same when you unpublish then publish a single blog post a number of times.