This is about as close as you are going to get to an official Apple bumper case:
http://store.apple.com/us/product/HD286ZM/A/tavik-outer-edge-bumper-case-for-iphone-5?fnode=47&fs=f%3Dblue-green-iphone5-iphone5s%26fh%3D35e9%252B3ea8%252B2af5%252B2fe9%252B2feb
The official Tavik website (http://shop.tavik.com/iphone-5-cases/tavik-outer-edge-bumper-case-cyanblack.asp) refers to it as cyan, a greenish-blue color. Hard plastic/rubber constuction