Canary-yellow and Stool pigeon

Canary-yellow adjective - Having the color of a canary; of a light to moderate yellow.

Stool pigeon and canary-yellow are semantically related. In some cases you can use "Stool pigeon" instead a noun phrase "Canary-yellow".

Stool pigeon noun - A person who provides information about another's wrongdoing.

Canary-yellow and stool pigeon are semantically related. Sometimes you can replace phrase "Canary-yellow" with "Stool pigeon", this phrases are similar.