For color picker I would recommend you the color cop which is a little software to get color from any area of your screen. Here I want to share some online color resources and color scheme makers for designer’s inspiration.
Kuler (Explore, create, and share color themes)
Discover Adobe Kuler. Online application for generating color themes that can inspire any project. Whether you’re creating websites, interior designs, scrapbooks, graphic identities, or any other visual, experiment quickly with color variations and browse thousands of themes from the Kuler community. Kuler uses Adobe Flash technology and works both as a standalone tool and with Adobe Creative Suite software.
Select from list of colors and generate cool color schemes for web layout.
This website contains color picker tools and also many cool color schemes.
What colors are hiding?
Warning: Following link contains bold graphics to show the feeling or impression of different colors. If you are not comfortable with that, please do not visit this link. Characteristics of Colors