[marknote]

Good. I am also using 2 tools: http://designspiration.net/ http://paletton.com/

[AlphaWeaver]

Paletton is really good. It also allows you to simulate Color Blindness of various types so you can plan for those users in your color selection as well.

[marknote]

Yes, it is really helpful, especially useful to match the secondary color when primary color is defined.