Color is my life. I collect pieces of paper or images solely to color pick the colors out. I have a well worn color wheel in my art kit, pantone books, and color theory books. Color in terms of design is invaluable, invoking mood and context. Whether it be passion, sadness, elegance or casual.
Knowing this it's helpful to find some great color resources in order to create designs that pertinent. For your designing needs I shall share some great color resources:
Color Scheme Designer Choose a color and a scheme such as triadic, mono, or tetrad and this handy little program shows you it's pleasing color matches. [link]
Colour Lovers a fun community of people who love color. Follow color trends, search and create custom color pallette's and share with the community. [link]
Color- Messages & Meanings: A Pantone Color Resource Covering basic color theory and offering up different color combinations to invoke feelings or perceptions. Offers up CMYK and Pantone numbers for reference. [link]
Color Index and Color Index 2 What's great about this series is not only the handy take along size, but also it has RGB, CMYK, and approximate Pantone match. [link]
Kuler Much like colorlovers Kuler offers the ability to make pallettes and sports a beautiful elegant interface. [link]
Have any other color resources you want to share?