"Colors (Melody and Harmony) / Shelter" (stylised as "COLORS ~Melody and Harmony~ / Shelter") is a special release single by South Korean boyband Tohoshinki members Jejung and Yuchun in Japan. It was released on September 30, 2009.[1] The song was a commemorative song for the 35th anniversary of Hello Kitty in Japan.[1]
The songs were written and co-arranged by Jejung and Yuchun personally.[1] Bandmate Junsu also worked on the arrangement of "Shelter."[2] "Colors (Melody and Harmony)" featured on a special digital EP, Tohoshinki Special Package, released a week before the single's physical release. Also featured on the EP was Tohoshinki's song "Amaku Hateshinaku" and "Been So Long".[3]