That sounds awfully low. Personally it is my favorite color combination for a lot of reasons one of which is that no matter what color GT you ordered the interior was black and silver. Ditto for the visible chassis through the hatch, plus the wheels and tires. So to my eye the other colors although great in their own rights didn't mesh with the interior or rest of the car. The fact that a GT in any color is pure eye candy is a testimony to the intrinsic beauty of the design.
DISCLAIMER: Mine is black and silver:rofl
There were NO Black GTs with White Stripes, and there were no Blue GTs with Silver Stripes. There were no "options" for the color of stripes. All Black cars with stripes got Silver stripes, and all Blue cars with stripes got White stripes.
One Ford executive specifically ordered his Blue GT without stripes, and took it back into Saleen and had Silver stripes added to it - it was NOT a production combination.
Production Blue w/White (top) vs. non-production Blue w/Silver (bottom)