Windows Phone 7 (WP7) Default Color Codes

These are the colors you will find in Settings | Theme | Accent Color:

 

 

Magenta – ff0099

Purple – 9900ff

Teal – 009999

Lime – 99cc33

Brown – 996600

Pink – ff66cc

Orange/Mango – ff9900

Blue – 3399cc

Red – cc0000

Green – 339933

 

Thanks to Andy Robinson for pointing me to the correct tidbit about Mango.