Developing color schemes can be difficult at times, but with an online service like ColorSuckr you can provide it with an image to have it pull out the top 12 colors. It has a range of features to make generating the color schemes from any image extremely easy.
For starters you can point it to the URL of an image, or even the URL of a website. If you do the latter you’ll be presented with a list of images found on the site that you can pick from. It gets even easier than that though.
On their homepage you’ll also find both a Firefox extension and bookmarklet that let you quickly grab colors from an online photo. Personally I prefer the bookmarklet since I like to keep my Firefox running as light as possible. If you decide to go the bookmarklet route all it takes is a single click and each image will have a “Get colors from this image” link placed overtop of it. Clicking on that link will take you to ColorSuckr where you can then get the breakdown of the colors used.
The last thing I want to point out is that you can drag-and-drop the color results around the page. That way you can pull out the colors you think will look great together and set them off to the side. It’s a great way to organize your thoughts as you go through them all.