Okay so, basically what I mean is input your Birthday in DD.MM.YY or MM.DD.YY (Please say which one you tried) as a hex code: (For Example: #DDMMYY = #130296) and say what the color is.
So mine is #050298 and it was dark blue-ish
/go
EDIT: if your lazy, here:
http://www.color-hex.com/EDIT+: Apparently there is a problem, all and most of the birthday colors are going to be blue-ish, unless you are born in 2001.