緑

1. Origins, structure, and basic meaning

• Structure: 緑（みどり） means the color green or green trees and plants.
• Basic usage: Use it for the color of a hat or the vivid green of a mountain.

2. Common pitfalls and similar expressions

• Using the color before a noun
  • In 緑の帽子, the color noun 緑 connects to the following noun with の.