| # Chroma | |
| >[Chroma](https://docs.trychroma.com/getting-started) is a database for building AI applications with embeddings. | |
| ## Installation and Setup | |
| ```bash | |
| pip install langchain-chroma | |
| ``` | |
| ## VectorStore | |
| There exists a wrapper around Chroma vector databases, allowing you to use it as a vectorstore, | |
| whether for semantic search or example selection. | |
| ```python | |
| from langchain_chroma import Chroma | |
| ``` | |
| For a more detailed walkthrough of the Chroma wrapper, see [this notebook](/docs/integrations/vectorstores/chroma) | |
| ## Retriever | |
| See a [usage example](/docs/integrations/retrievers/self_query/chroma_self_query). | |
| ```python | |
| from langchain.retrievers import SelfQueryRetriever | |
| ``` | |