彩色

1. Origins, structure, and basic meaning

• Structure: 彩色, read さいしき, denotes coloring or coloration applied to an artwork or object.
• Basic usage: 丁寧に彩色した describes the artist's action; 彩色が施されている describes the finished coloration on a doll.

2. Common pitfalls and similar expressions

• Active coloring and resulting coloration
  • した foregrounds the person applying color, whereas 施されている foregrounds the completed object's state.