How to force RGB Mode on your monitor in macOS Mojave Catalina High Sierra
Required file : https://bit.ly/2TJmTHS
Credit for the original script goes to Andreas Schwarz,
Save it on your desktop
Open Terminal
Type: Ruby(+space) [ and drag this file to terminal[
Press enter, it will create a display vendor file in home directory.
Copy folder and paste in Installation HDD/System/Library/Displays/Contents/Resources/Overrides
Reboot your system. It will fix magenta tint screen.