The slider in the top right changes which of the three sections. The three sliders on the bottom change the hue, saturation, and value of the chosen section. when you are satisfied with your work, press space. This will save it to the cloud, and the colors will be presented to whoever starts the project next.
Colors can express so much, in so little amounts. The idea is to see new palettes, and share them, without knowing who created it or will receive it.
