Update README

Author: monurcan

README.md

@@ -11,7 +11,7 @@
 <div id="top" align="center">
 
 [![arXiv](https://img.shields.io/badge/arXiv-xxxx.xxxxx-b31b1b)](http://arxiv.org/abs/xxxx.xxxxx)
-[![](https://img.shields.io/badge/%F0%9F%9A%80%20-Project%20Page-green)](https://monurcan.github.io/efficient_test_time_scaling/)
+[![](https://img.shields.io/badge/%F0%9F%9A%80%20-Project%20Page-blue)](https://monurcan.github.io/efficient_test_time_scaling/)
 
 </div>