Color is very basic key in web development , to identifying exact color or color name is very tedious , so its better you can use the Color tools that can help you to find out the matching color or your required color palette.
here are some list of sites providing best color tools for web designer to make desing very atractive.
3- Color Palette Generator
4-list of Web 2.0 Color Palette
hope you like this tools
happy coloring ...