Try this tool:
https://kuler.adobe.com/#themes/random?time=30

• With Themes

And more (You could set your colors by) :

• analogous
  
• monochromatic
  
• Triad
  
• Complementary
  
• Compound
  
• Shades
  
• Custom

Try this tool:
https://kuler.adobe.com/#themes/random?time=30

• With colors already arranged

And more (You could set your colors by) :
https://kuler.adobe.com/#create/fromacolor

• analogous
  
• monochromatic
  
• Triad
  
• Complementary
  
• Compound
  
• Shades
  
• Custom