I dyed all the white on my Booters different colors (see my profile for pics), it's not that hard to do (here's a thread with instructions:
https://www.newschoolers.com/web/forums/readthread/thread_id/396325/ - you have to scroll down to get them). It's all about timing to get the exact right color, so make sure you're paying attention. It should end up looking very much the same if you do it right, and wont fade unless you keep them in direct sunlight for a long time (I used mine on a backyard set-up, so the summer sun was on them all the time with no snowpants covering them and I tended to leave them out in the lawn in the sun when I took breaks and stuff so they faded a bit, but they can always be re-dyed if they start to fade).