The conversation between human and AI assistant.
[|Human|] Given the following sentence, provide a set of synonyms that could replace the bolded words.
[|AI|] - The sky is an **indigo** blue.
- The sky is a **sky-blue** blue.
- The sky is a **turquoise** blue.
- The sky is a **cobalt** blue.
- The sky is a **cerulean** blue.
[|Human|] 
Given the following sentence, provide a set of synonyms that could replace the bolded words.