923 Style (Yes i use consolidated windows rather than the original ones to edit, but I'm sure you can find find the same bit in the original window styles file
Button[id=atom(idSplitButtonSplit)]
{
AccDesc:"Show your contacts the song you're listening to as your personal message";
AccName:"Personal Message options";
foreground:rgb(32,85,98);
}
Changes the PSM drop down icon colour
Button[id=atom(statuschooser)]
{
AccName:"Status:";
AccDesc:"Change your status and your display picture here. To change your display name, go to Options.";
layoutpos:client;
foreground:rgb(32,85,98);
}
for the status selection box (the whole box not just the triangle icon)
/ 
