Someone took photo of a Hakata Tokyu Hands sign :
http://livedoor.2.blogimg.jp/otanews/imgs/9/c/9cab3b4e.jpg

Female Seiyuu event pen light / light stick color list
Asano Masumi : green
Kanda Akemi : red
Kimura Madoka : yellow
Tamura Yukari : pink
Shiraishi Ryouko : white
Shintani Ryouko : pink
Nonaka Ai : green
Horie Yui : blue
Mizuki Nana : orange
Takahashi Chiaki : purple
Hirano Aya : image color of the song
                   Lovegun : pink
                   Neophilia : blue
                   Monstar : yellow
Shiina Hekiru : not allowed

-- 
'CuSO4' Yung