I have discovered the most wonderful online tool.
This tools allows you to upload an image and pulls the colour swatches and the web hex numbers from the image. You can even download the swatches in Adobe Swatch Exchange (ASE) format for Photoshop or compatible applications. Check it out at http://bighugelabs.com/colors.php
|image via juicycouture.com|
|image via pinterest.com|
|image via michaelkennedyphotography.com|