Very early 986s (up to '99 maybe) had the option of coming in a pastel (I'm forgetting the OEM name here) yellow rather than the vibrant Speed Yellow:
Pastel Yellow:
Speed Yellow:
I don't believe there were any cream/beige Boxsters until the 987 model line. There is always the chance of a rare paint to order customer 986 in beige, but I have yet to see one.