yellow

1. Origins, structure, and basic meaning

• Structure: 黄 denotes the color yellow; its on-readings are こう and おう, and its kun-readings are き and こ.
• Basic usage: 黄色 is the noun for the color yellow, while 黄色い is an adjective describing something as yellow.

2. Common pitfalls and similar expressions

• 黄色 / 黄色い
  • 黄色: Read as きいろ, this color noun can modify another noun through の, as in 黄色の鉛筆. Example: 机の上に黄色の鉛筆が一本ある。
  • 黄色い: Read as きいろい, this adjective directly modifies the following noun. Example: 道端に黄色い花が咲いている。