鈍色

1. Origins, structure, and basic meaning

• Structure: 鈍色, read にびいろ, is a subdued, dark gray with little brightness.
• Basic usage: It describes the muted tone of a rain-clouded sky or dark gray fabric used for a stage costume.

2. Common pitfalls and similar expressions

• A subdued dark gray
  • This is the subdued dark gray of a rain-clouded sky or stage fabric. It should not be treated as identical to bright silver or black.