Schuco has four woodgrain looks. If those don't match, you can go with white.
White has some pluses, however, and those are:
1. Brightens a room.
2. Makes the room look bigger.
3. Good for Resale. (A prospective homeowner, may say they want to paint a room, purple. But because the window is white (even with a wood trim) it will still match. Because White matches most anything.