>I have been looking for blue and green sensitive PTs for quite a while.

Your will have better luck with photodiodes for that range, upto 400nm.
/Morgan

/  Morgan Olsson, MORGANS REGLERTEKNIK, SE-277 35 KIVIK, Sweden \
\  mrt@iname.com, ph: +46 (0)414 70741; fax +46 (0)414 70331    /