Names, seven names with red (or red) orange yellow green blue purple.

I wonder where this group of names is used? Is it a club? Or what organization? Are they boys' or girls'? How many words?

Red: red star, red skirt, red court, red flame, beauty,

Orange: orange sky, orange dew, orange wings, orange rain,

Huang: Huang Fei, Huang Li and Huang Wan.

Green: green calyx, green turnip, green mud, green,

Green: Qingluan, Meng Qing, Luo Qing, Qingxin, Qingyun, Qingfeng and Qinghong.

Blue: Blue Heart, Lanyu, Rambo, Smurfs,

Purple: Qiu Zi, Mozi, Yan Zi, Xia Zi,