how to change the background color in the drawing view

Hi everyone, I was wondering if is it possible to change background color in the drawing view as I would prefer to have a gray backround just like in the camera view.
Please let me know! Thank you very much

Go to Preferences (Edit > Preferences on Windows or Toon Boom Harmony > Preferences on Mac), then on the General tab, on the left near the bottom, select Edit Colours. Then go to the Drawing tab and click Background.