Here’s a handy UIColor category to further aid those looking to make their apps design consistent with iOS 7 called iOS7Colors from Claas Lange.
iOS7Colors provides 10 colors that you can see throughout the iOS 7 interface.
Here’s an image from the readme showing the different colors:
You can find iOS7Colors on Github here.
You can find the color swatches that iOS 7 Colors is based from on Dribbble here.
See More: iOS 7 Inspired Resources