I have a fuchsia porte tresor that I use every day and it's still as gorgeous as the day I got it. If you're worried about it, go for a darker color, such as the framboise or indigo. Or you might have to ebay it and try to find a bronze item. I've found that my bronze Ludlow stays beautiful no matter what, as well as the fuchsia, framboise and indigo pieces. I'd just stay away from the light colors, as I have the peppermint (light green) porte tresor and you really have to watch what gets set up against it or what color lining your bag has. My mom also has this wallet and she constantly used it in her white MC speedy, which has the raspberry suede lining. So the edges of her wallet are now a brownish color. Also, her marshmallow keycase turned a weird peach color. Overall the colors that fare well are:
*Framboise
*Fuchsia
*Bronze
*Indigo
*Beige or Noisette
Ones that don't fare well:
*Peppermint
*Marshmallow (it turns from a pretty pink to more of a peach)
*Light Pink (the predecessor to the more recent Marshmallow)
*Perle