Enhance badge style (#87)

README.md

@@ -76,7 +76,7 @@ The use and distribution terms for [tiger]() are covered by the [Apache License,
 [Apache License Badge]: https://img.shields.io/badge/Apache%202.0-F25910.svg?style=for-the-badge&logo=Apache&logoColor=white
 [Apache License, Version 2.0]: https://www.apache.org/licenses/LICENSE-2.0
 
-[Hugging Face space badge]: https://img.shields.io/badge/Hugging%20Face%20Space-tiger-FFD21E?style=for-the-badge&logo=huggingface&logoColor=white
+[Hugging Face space badge]: https://img.shields.io/badge/Hugging%20Face%20Space-tiger-FF9D00?style=for-the-badge&logo=huggingface&logoColor=white&labelColor=6B7280
 [Hugging Face space URL]: https://huggingface.co/spaces/QubitPi/tiger
 
 [Hugging Face sync status badge]: https://img.shields.io/github/actions/workflow/status/QubitPi/tiger/ci-cd.yaml?branch=master&style=for-the-badge&logo=github&logoColor=white&label=Hugging%20Face%20Sync%20Up