I will occassionally post some of my Sims 3 items for you to download. I will try to note the correct packs if the recolors are from an expansion or stuff pack.
Alternatively, I do recolors on some of the store content that you could purchase from ts3 website. But, since they gave up on keepin up with all of that, I found some places that might have some downloads available for free:
Download and use at your own risk!!