Tab bar item tint color
To do this:: follow a simple approach..
Change tintColor as you want
Add a new set of images for unselected items and render them in original mode.
For more info, read through this link
To sets the tint color globally for the app, you need to add below code In app delegate didFinishLaunchingWithOptions: method
:
[[UITabBar appearance] setTintColor:[UIColor colorWithRed:13.0/255.0 green:116.0/255.0 blue:128.0/255.0 alpha:1.0]];