The curvy underline is muted

VS Code issue https://github.com/microsoft/vscode/issues/158979

The curvy line seems darker than the straight line. Is that expected?
![image](https://user-images.githubusercontent.com/98423974/186260314-e188729d-a8d8-489d-8253-c0924cea46be.png)