Are you tired with the old plain boring colours that you get automaticlly with your msn messenger well I know how to change them the first thing we need to do is pick your colour and get the hex code to do that clik HEX CODES
HEX CODES
When you cliked on the colour of your choice copy the HEX CODE at the bottom now we will begine to change it.
clik on the start button
Go To RUN
Then Type In  regedit
Press OK
Double Clik On HKEY_CURRENT_USER
Then Double clik on software
Then double clik on Microsoft
Then Double clik on Messenger Service
Then at the side find IM Colour
Double Clik IM Colour
Then a box will appear in the box type in the HEX CODE of your deisre then press OOK
Then EXIT now open a convo and there ya go your new colour =) HAVE FUN