Colour Changer for MIUIProcedure to use accent colour changer For MIUI 12
1.Extract the zip I have given above
2.Then you will see 12 Zips
3.Then flash the zip of the colour you like in magisk.
4.Then reboot and enjoy.
DISCLAIMER: Make sure you know how to flash a magisk module and you know how to remove it in case anything goes wrong.
I am not responsible for any problems that occur I can and will help but don't blame me that it I caused your device to stop working although the chances of things going wrong are very low.
Guide credits:
@aadilgillani