Hi, John. You can repair your tub with either porcelin paint or fiberglass gel coat, but honestly, there is no way that you will get a perfect color match. Way back in the archives, a poster who works for a fiberglass tub manufacturer advised that they had something like 264 different "recipes" for the color white to match other companies products. If you have a local fiberglass supply store, they can probably give you some help. Otherwise, you can contact Eastpointe Fiberglass at http://members.aol.com/epfiber/page/index.htm and Mark may be able to give you some help.