濃淡

1. Origins, structure, and basic meaning

• Structure: Spelling: 濃淡. Reading: のうたん. Core meaning: shading; degrees of intensity.
• Basic usage: Representative examples: 鉛筆の濃淡だけで山の奥行きを表した / 湯の量を変えると、茶の濃淡を調整できる.

2. Common pitfalls and similar expressions

• Contrasts in intensity
  • 濃淡 covers the contrast between dark and light areas or a continuous range of intensity. Unlike 濃い, which names only the strong side, it includes both ends and the variation between them.