朱色

1. Origins, structure, and basic meaning

• Structure: 朱色, read しゅいろ, is a color noun meaning vermilion.
• Basic usage: 朱色に塗る describes painting something that color, while 朱色に染まる describes something becoming vermilion.

2. Common pitfalls and similar expressions

• Active coloring with 塗る versus change with 染まる
  • Both patterns mark the resulting color with に, but 塗る profiles an agent's action and 染まる the object's change of color.