On the left you have the options of Creating your own scheme, or clicking "Most Popular". There are different ways you can change the parameters around, you can even upload a picture and load a color scheme from the color present in the photo.
Totally easy SE. This is just a tool for people who want to create a their own color scheme, or pick a pre assorted scheme of colors. Just a tool to help people who wanna know which colors to use, and where to use them for their page