You individual need is the key to this question.
Blackout – If you wish to block out as much light as possible then pick the Blackout option.
Light Filtering – If you wish to use the blind for privacy but still keep the room quite bright then pick the White, Cream of Cafe.
Room Darkening – If you wish to darken the room so you can see the TV more clearly then the Grey or Chocolate would be the most suitable.