Kalenderfarbe wird nicht übernommen

public void addEvent(String title, long calendarid, int color, Calendar timefrom, Calendar timeto, boolean wholeday, String timezone, String rrule, ArrayList<Reminder> reminders, String location, String description) {
        ContentResolver cr = this.c.getContentResolver();
        ContentValues values = new ContentValues();


        System.out.println("Adding " + title + ", CalendarID: " + calendarid + ", " + color + ", " + timefrom.getTimeInMillis() + ", " + timeto.getTimeInMillis() + ", "
            + (timeto.getTimeInMillis() - timefrom.getTimeInMillis()) + ", " + timezone + ", " + rrule + ", " + location + ", " + description);


        values.put(CalendarContract.Events.TITLE, title);
        values.put(CalendarContract.Events.CALENDAR_ID, calendarid);


        values.put(CalendarContract.Events.EVENT_COLOR_KEY, 0xff000000 - color);
        values.put(CalendarContract.Events.DTSTART, timefrom.getTimeInMillis());
        values.put(CalendarContract.Events.DTEND, timeto.getTimeInMillis());


        if(wholeday == true) {
            values.put(CalendarContract.Events.ALL_DAY, 1);
        }
        else {
            values.put(CalendarContract.Events.ALL_DAY, 0);
        }
        values.put(CalendarContract.Events.EVENT_TIMEZONE, timezone);


        System.out.println("MEINERRULE: " + rrule);
        values.put(CalendarContract.Events.RRULE, rrule);
        values.put(CalendarContract.Events.EVENT_LOCATION, location);
        values.put(CalendarContract.Events.DESCRIPTION, description);


        if(reminders.size() > 0) {
            values.put(CalendarContract.Events.HAS_ALARM, 1);
        }
        else {
            values.put(CalendarContract.Events.HAS_ALARM, 0);
        }


        Uri uri = cr.insert(CalendarContract.Events.CONTENT_URI, values);