#SingleInstance,Force
DllCall("SystemParametersInfo", UInt, 0x0070, UInt, 0, UIntP, SaveMouseSpeed, UInt, 0)
onexit,exit

MouseSpeed=1
Color=0xffffff

loop
{
  sleep,10
  mousegetpos,x,y
  PixelGetColor,C,% X,% Y
  if (!do and C=Color)
  {
    do=1
    DllCall("SystemParametersInfo", UInt, 0x71, UInt, 0, UInt, MouseSpeed, UInt, 0)
  }
  else if (do and C!=Color)
  {
    do=
    DllCall("SystemParametersInfo", UInt, 0x71, UInt, 0, UInt, SaveMouseSpeed, UInt, 0)
  }
}

exit:
DllCall("SystemParametersInfo", UInt, 0x71, UInt, 0, UInt, SaveMouseSpeed, UInt, 0)
exitapp