I have seen others do this... I am currently trying it out on mine.... Use the plasti-cote paint that is made for plastic lawn chairs. Looks great, we'll see how long it lasts.
It's a Jeep Thing ... I do understand!
1993 Jeep Wrangler - 2.5" RC Suspension Lift, 31" Mud Tires, powered by 4 angry squirrels