I have been searching for tights in a wide variety of colors and have not been able to find any in stores beyond the classic colors. If you want more colors to choose from, this online retailer has them.
I recommend We Love Colors to all of my plus-size/fat friends. I've been purchasing WLC tights for a few years now and they are the only tights that fit me well. They don't really stand up well and I have to buy new ones every year, but I think it's worth it for the fit, comfort and color.
If you are reading this perhaps you are looking for colorful legwear and that means you are in the right place
Interview with Fashion Stylist Mila Kastari WLC: How did you find out We Love Colors? MGK: I found out about WLC from a good friend of mine who is in a local band named Afrobeta