1. Color Lovers (www.colourlovers.com/)
Website: Color Lovers
You can browse, comment, submit, and rate other designers color schemes on COLOURlovers, and take inspiration and ideas from them. You can join this online comunity by simply registering.
This is by far and away my favourite, and it also a great visually looking site as well. Worth a look.
What they say: “COLOURlovers™ is a resource that monitors and influences color trends. COLOURlovers gives the people who use color – whether for ad campaigns, product design, or in architectural specification – a place to check out a world of color, compare color palettes, submit news and comments, and read color related articles and interviews.
2. Kuler (www.kuler.adobe.com/)
Browse through all of these wonderful color schemes, rate them, leave a comment, you can even download them to use with Adobe Creative Suite. For the true pro.Great use of colors in the web design.
3. Beta Daily Color Scheme (www.beta.dailycolorscheme.com/)
In the title it says daily, not strictly true. Hopefully the authors will start updating soon, because this could be a great site. Currently you can browse through all the color schemes taken from various sites from around the web. You can also download the schemes in every format you could possibly use.
4. Color Schemer Gallery (www.colorschemer.com/)
I love this site not only does it offer a great user submitted color gallery, it offers great software like: ColorSchemer Studio (for Windows and Mac), ColorSchemer ColorPix (Windows) and ColorSchemer Galleria (Mac). Very useful.
5. Unsafe Colormatch (www.neteffect.dk/colormatch/)
Website: Unsafe Colormatch
Specify a base color in decimal (R,G,B) or #hex, choose the target for which you want to set a new color. And then you have examples of how your links and differnet colors will look on your site. Simple, but useful.
6. More Crayons (www.morecrayons.com)
This site might be a little bit dated, but the information and help is excellent. Not so much inspiration, more the color theory. Features include: Web-Smart Colors, Grayscale, 216 color Browser-Safe palettes. As well as a chart defining all names of colors. Useful information.
7. Iamcal Colors (www.iamcal.com/toys/colors/)
“1 in 12 people have some sort of color deficiency. When you’re designing for the web, this means that 1 in 12 people might not be able to see your site. That’s alot of people. This tool helps you simulate the appearance of our site’s colors for people with different color visions. Select text and background colors from the palette below, then choose a color vision mode.”
This site offers very important information regarding color blindness, its best to check your color schemes before publishing.
8. Color Palette Generator (www.color-palette-generator.com)
I like this site, I have used it a couple of times to extract a scheme from an image. Its simple you upload an image and it generates a color scheme for you. Handy.
9. Color Blender (www.meyerweb.com)
Pick a color value format, input two valid CSS color values in the format you chose, and pick the number of midpoints you’d like to see. The palette will show the colors you input as well as the requested number of midpoint colors, and the values of those colors.
If you’d like to have the Color Blender for offline use, just view source and save to your hard drive.
10. Color Match 5k (www.colormatch5k.com/)
This utility will help you select a matching 6-color palette for your website, define a single color that you like, matching colors will be calculated, and then click a color in the palette to promote it to the primary color.