色

1. Origins, structure, and basic meaning

• Structure: 色(いろ) means a color or hue distinguished by sight.
• Basic usage: It is used for the color of things such as a painted wall or the evening sky.

2. Common pitfalls and similar expressions

• に marks the result of repainting
  • In 色を明るい緑に塗り替えた, に marks bright green as the resulting color.
• が marks what changes
  • 色がゆっくり変わった means that the color slowly changed; が marks what underwent the change.