$wid->tag('bind', "black");
$wid->tag('bind', "red");
$wid->tag('bind', "green");
$wid->tag('configure', "black", -foreground=>"black");
$wid->tag('configure', "red", -foreground=>"red");
$wid->tag('configure', "green", -foreground=>"darkgreen");
$wid->insert("end",$_,$color); # where $color can be "black", "red", or "green"