Rainbow Blaxx (레인보우 블랙) was a subunit of girl group Rainbow. They debuted on January 20, 2014 with the special album RB Blaxx, their only release.
|Jaekyung (재경)||Leader, Vocalist, Main Dancer||Red|
|Woori (우리)||Main Rapper, Vocalist, Lead Dancer||Orange|
|Hyunyoung (현영)||Main Vocalist, Maknae||Yellow|
- RB Blaxx (2014)
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