I have the khaki on black and love it. It sets me apart since they only made khaki available for 3 years and only on the Sahara. I wouldn't run black on my black.
08 Black and Khaki JK Sahara Unlimited, Dual Tops, MyGig, Tow pkg, Trax-Lok Rear Diff,
Mods -- 3.5" Rock Krawler front springs, 2.5 TerraFlex BB, PitBull Rockers 37x12.50x17 on ProComp 7069 alloys, AEV Premium Bumper, D44 HD, 5.38, OX locker