The Brilliant Green (ザ・ブリリアント・グリーン, Za Buririanto Gurīn) (stylized as the brilliant green) is a Japanese rock band from Kyoto formed in 1995. They were signed to Sony Music Entertainment Japan. Their major debut single under Sony, "Bye Bye Mr. Mug", was released in 1997. Their contract with Sony ended in 2008, and on December 1, 2009, the band announced that they had signed with Warner Music Group Japan.