紅色

1. Origins, structure, and basic meaning

• Structure: 紅色 is read as べにいろ and is a noun for crimson, a vivid deep red.
• Basic usage: Noun modification appears in 紅色の花, while a change of color appears in 紅色に染まる.

2. Common pitfalls and similar expressions

• Modification and change
  • Use の when the color name modifies a noun and に to mark the resulting color in a change.
• Difference from 赤
  • 赤 is the general basic term for red; 紅色 specifies a vivid, deeper crimson shade.