“Sprite CSS Generator” is tested and works fine with Adobe Illustrator CC on Mac. It should also work with Adobe Illustrator CS4 and newer. Visit Link
Tag: generator
Hex Color Tool
This tool allows you a few variations of your existing colours used on your site for slight variations. Great for working out what you might want to use in a gradient. Visit Link
Ultimate CSS Gradient Generator – ColorZilla.com
This cool little gradient generator helped me develop the gradient for my navigation on responsivedesign.is -> http://codepen.io/justincavery/pen/viepz Visit Link