Thanks for clarifying.
I'm by no means a colors expert, but let's see if I can answer your question:
Koichi Yamamoto (episode 260)
Green
Shizuka Kawai (episode 158) and Chie Taniguchi (episode 196)
Light Blue and Purple
Light Green and White
Masako Arai (episode 183)
White and Green
Tetsuya Aoyagi (episode 208) and Takayuki Irie (episode 207)
Blue and Brown & Gray
White
Kaori Obayashi (episode 214) and Koji Furukawa (episode 187)
Yellow
Blue and Green
Haruyuki Hoshino (episode 175) and Yasuo Murakami (episode 183)
Red
Light Brown and Blue and Gray
Ayaka Yoshino (episode 208) and Kazuyoshi Sunaoka (episode 185-186)
Red and Light Pink
Dark Blue and Light Blue
Ryoichi Aonogi (episode 210-211)
Green and Light Yellow
Reiji Fukuura (episode 329-330)
Dark Gray
Sasaki
White and Blue
Reiko Hanaoka and Saki Yoshizawa (episode 260)
Orange and Blue
Brown and White
Akio Muramatsu (episode 138-139)
White
Kunitomo Oda (episode 172-173)
Light Blue and Gray
Masaki Usami (episode 264-265)
Pink
Yoshitaka Nigaki and Mika Konakawa (episode 266-268)
Dark Green
Gray and Purple
Hasue Kira (episode 279-280)
Light Blue
Mitsuaki Funato (episode 279-280)
Gray and Dark Green
Noburo Ikema (episode 291-293)
Red
Presiding judge A (episode 264-265, 297-298, 392)
White and Gray
Director (episode 305-306)
Gray & Brown
Nobuharu Nagumo (episode 305-306)
Gray and Brown
I hope this answered your question.