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It seems to me that some colors need の when describing an item, yet others don't.

For example:

  • 黄色のくつ (Yellow shoes; has の)
  • 赤いくつ (Red shoes; no の)
  • オレンジ色のくつ (Orange shoes; has の)
  • 青いくつ (Blue shoes; no の)

It would seem the kanji for color (色) isn't always mandatory, which I would guess is also related.

Is there some kind of distinction per color, or is it just two ways of saying the same thing?

marked as duplicate by istrasci, ajsmart, naruto grammar Aug 8 '18 at 2:32

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