I got a bit carried away =P I came up with a few others but these are the most likely ones I would use.
India and
Azalea (wet and dry)
Wilson and
Winona (son and daughter)
Zachariah and
Manasseh (to remember and to forget)
Jack and
Deirdre (man and woman)
Gray and
Guinevere (grey and white)
Asher and
Molly (happy and sad)
Zoe and
Morana (life and death)
Anastasia and
Jordan (up and down)
Sarah and
Raj (princess and prince)
Hazel and
Guinevere (brown and white)
Autumn and
Winter (obvious...)