Frank,
Try these sites. May not have the exact FS number for the paint, but at least you can get an idea of the shade.
http://www.fas.org/man/dod-101/sys/ship/ddg-51_i.htm
http://navysite.de/dd/ddg51.htm
http://navysite.de/dd/ddg63.htm
http://www.pbase.com/trooperhughes/portland_rose_festival_2004
Semper Fi!
Carl