http://colorschemedesigner.com/
http://www.colourlovers.com/palettes/search?sortCol=date&sortBy=DESC&page=1
http://www.tigercolor.com/color-lab/color-theory/color-theory-intro.htm#Color_Wheel

http://www.printingforless.com/rgb-cmyk.html
http://www.degraeve.com/color-palette/  - paleta dle fotky
http://www.colorhunter.com/