If you want some inspiration for your next flyer, invitation, wallpaper, then have a look at these colours, palettes and patterns, all under a Creative Commons license. Finally free colours!
From their about: "COLOURlovers is an international community of designers and artists of all kinds who visit the site to get color inspiration, ideas and feedback for both their professional and personal projects. COLOURlovers' loyal members create colors, palettes and patterns to nurture their ongoing love affair with color. They join color-inspired groups and forums and share the love by commenting on their favorite creations. The COLOURlovers blog fuels the world's online discussion of color with its entertaining posts on color trends and news, including interviews.
278,053 Members have created 2,381,576 Colors, 1,072,587 Palettes and 713,816 Patterns."