On Windows the file is located at: ```bash C:\Users\username\AppData\Local\Programs\Microsoft VS Code\resources\app\out\vs\workbench\workbench.desktop.main.css ``` Currently (Version 1.90.0), the setting to change the color of the 'M' for git-modified files is: ```css .monaco-decoration-itemBadge-kkyaq5::after{color:#9ece6a !important} ``` If it changes in the future, open the VS Code Developer Tools (⌘ ⇧ P) and inspect the element to see the correct class.