Now new WordPress version provides you 8 different color schemes, few days back we have also discussed about Adding Some More Admin Area Color Schemes and how you can Randomly Change WordPress Admin With Various Colors Schemes. You can select your favorite color scheme from Dashboard -> Users -> Your Profile page but that doesn’t changes the color of admin barin the front-end, it remains same on all color schemes. This tutorial is on new WordPress plugin that one thing automatically, it simply changes the color of admin bar in front-end on the basis of selected color scheme.
So what all you have to do is install and activate the new WordPress plugin called Admin Bar Color and the rest it does automatically. You can make things go more automatic by installing Color Schemes Roulette that changes admin color schemes automatically after any new post is published or updated by anyone.