CircleRGB is a custom software I developed that changes the color of your connected RGB device based on the hitnote accuracy real-time as you play. Significantly more details are available on the GitHub page, and the description of the video, but the whole project is open-source! Please feel free to check it out! The video is linked below.
https://www.youtube.com/watch?v=6vPYPK9yENY
https://www.youtube.com/watch?v=6vPYPK9yENY