adjective (a)

• having striking color(adj.all)

  Example:
  Colorful autumn leaves.
  

  Synonym:
  bright, brilliant, colourful, vivid
  Antonym:
  colorless, colourless
  

  source: wordnet30
• striking in variety and interest(adj.all)

  Example:
  A colorful period of history.
  A colorful character.
  Colorful language.
  

  Synonym:
  colourful
  

  source: wordnet30
• having color or a certain color; sometimes used in combination(adj.all)

  Synonym:
  colored, coloured
  Antonym:
  uncolored, uncoloured
  

  source: wordnet30