If there is purple around the screen, it may be caused by too high saturation. You can add ICC file to solve it.
Please refer to the following steps
Steps 1: Open Windows setting and find display and choose, then click “Advanced display”
Steps 2: Click “Display adapter properties for Display 1”
Steps 3: Choose “Color Management”
Steps 4: Please make sure the display you choose is our pen display instead of your computer main monitor. Please identify the device is our pen display before you add the ICC file. Please contact Huion Customer Service through email@example.com to get the ICC file.
Steps 5: Go back to homepage and find the .icm file in color profile