Here is a method I am using to generate dynamic Hue colors for markers based on given String color.
May be useful for someone 🙂
Marker melbourne = mMap.addMarker(new MarkerOptions().position(MELBOURNE)
.icon(getMarkerIcon("#ff2299")));
// method definition
public BitmapDescriptor getMarkerIcon(String color) {
float[] hsv = new float[3];
Color.colorToHSV(Color.parseColor(color), hsv);
return BitmapDescriptorFactory.defaultMarker(hsv[0]);
}