To change the colors of the webpart:
- Site Actions > Edit page. Now you are in design mode
- Click on the WebPart and select WebPart Tools in the ribbon
- Cick on Web Part Properties button. There are options regarding fonts an colors in the left menu
Silverlight uses 8 digits for color codes, first 2 are for opacity and the last 6 are for the color code. the following website converts the required color to hex code (6 digits)
http://www.color-hex.com/
