adjectival noun or quasi-adjective, takes genitive case の, adverb, adverb taking the と particle, noun

Usually written with kana alone.
  1. various, all sorts of, variety of.

noun

Archaism.
  1. various colors.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
いろいろ
色々 いろいろ
色色 いろいろ