adjectival noun or quasi-adjective, takes genitive case の

Usually written with kana alone.
  1. various, a variety of, all sorts of, many (different).

adverb, adverb taking the と particle

Usually written with kana alone.
  1. variously, in various ways, in many ways.

noun

Usually written with kana alone. As ...のいろいろ.
  1. various things, this and that.

Variations

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