User blog comment:Maopyon/Member Colors/@comment-26428293-20151209061208

I have ideas for the examples:

Variations of Orange: Haruka => Risa

Variations of Yellow: Mai => Haruka

Variations of Green: Masaki Sato => Aikawa Maho => Riko => Ikuta Erina

Variations of Blue: Nomura Minami => Mizuki (from Angereme) => Kisora => Haruna Ogata

Variations of Purple: Inoue Rei => Karin => Ami