Tools are always very handy for designers. To get their tasks done quickly tools help a lot. The main tasks for every designer is making a color combination or making a color palette and there are lots of color tools available on net but sorry you have to search those tools on internet yourself, wait wait just kidding
i have searched that helpful color tools for you.
Here is the list of 20+ color tools for designers.
1. Color Scheme Designer
2. Color Blender
3. Color Check
4. Color Lab

5. I Like Your Colors
There is a form at the bottom of this page that lets you choose any URL you want to extract colors from. The colors you see here are from the site that referred you to this page!

6. Color Combos
7. Color Schemer
8. Web-Safe Swatch Collections

9. Color Palette Generator
Enter the URL of an image to get a color palette that matches the image.
10. Colors From Images
11. Color Spire
12. Color Blender Tool

13. Color Lovers
COLOURlovers is a resource that monitors and influences color trends.
14. Peter Piper’s Palette Picker
15. Color Hunter
Color Hunter is a color palette generator that uses flickr photos to create a palette.
16. Color Jack
ColorJack is an online generator that lets you hover over a color on the site’s grid to see themes that use that color.

17. Daily Color Scheme

18. Palette Man

19. Color Explorer
With the colorful toolbox at ColorExplorer you can easily create, manage, and explore color palettes for use in web designs, desktop publishing, or any other graphic design process.
20. Web 2.0 Colour Palette
Organised into 3 distinct colour groups – neutrals, muted tones and bold colours, you may recognize a few of the shades from some of your favourite Web2.0 sites.















Fantastic collections for web designer..
Cheers for the collections..
Keep up tje good work..
Naga | http://www.nstudios.co.cc
useful resources thanks..
You forgot the best one, http://kuler.adobe.com/
Great list!
There is a new tool to analyse color contrast fo webpages:
http://www.checkmycolours.com