Folder Color is a neat tool to customize your Mac OS X folder icon, create colorful and unique folder icons for your computer to classify and manage your folders highly efficient.
Features
Number of customized yet friendly folder icons supplied in resource library.
Support adding pictures into resource library and edit them to specialized your folders category.
Create your own stunning folders with simplicity and ease.
Change the folder icon color, manage your folders via different color classification.
Custom certain folder icons help you identify what's inside of them, such as photos, emails or documents.
Classify and find your folders easily with customized folder icon.
Create a customized icon based on a configurable icon style: size, position, shadow and transparency.
Easy to apply your customize folder icon: just drag-and-drop the folder into Folder Color, done.
I like this little app, easily costumes my OS X folder, unfortunately, the developer not update the folder icon for yosemite, the folder that came with the app is mavericks and below.
But it's easy to replace the original icon with yosemite's one.