I got "Key Lime Green" ribbon at Hobby Lobby a couple of years ago. It was in the fabric section. I also have some lime green curling ribbon that I use on my fanny pack and back packs.
I decorated myself a t-shirt for our trip a couple of months ago. I liked it so much that I am going to make me one for every day we are there next time. It is a white shirt and I put DIS in small letters on the front, about the area where a pocket would be. I used large letters to put "POOHSTYX" on the back, like a football jersey. The letters were stick-on and I sprayed lime green fabric dye over the entire shirt - after the letters were stuck on. When it dried, I took the letters off (to use again) and the shirt is lime green except where the letters were. My white t-shirt is now lime green with white lettering.
I was wearing the shirt one night at the Boardwalk. We were sitting at a table eating chilli-cheese dogs! We overheard some people, who were standing next to us, talking about an internet board. I asked if they were part of the DIS and they were. They then noticed my t-shirt. They were: Webmaster Michelle, Cathy Canada and Cris C and his wife, Beth.