Color change not applying correctly

Hi. Just wanted to request some help in the program. As seen in the screenshot the colors are not applying correctly. Thank you in advance.

PS. I'm running windows 11 if that helps.

<img width="366" height="380" alt="Image" src="https://github.com/user-attachments/assets/0975d4a5-03db-4486-8283-e5e2515dd937" />