This list of Color Code finder freeware tools & free online web services will help you identify HTML color HEX, RGD, etc, codes from images, websites, etc.

How to Use Hex Codes in Gmail to Show Smiley Faces. Using Gmail is a convenient way to keep in touch with your clients and employees.

Hex codes are especially useful for matching colors in an Illustrator document to those on a Web page, as both HTML and CSS use hexadecimal codes to specify colors.