We've got a couple of them....and love them!
I don't know if it matters what the color is, as much as the fact that you want the ceramic skillets (there are several brands, in different colors). Ours are different colors, because we wanted different sizes, and the Green one is 10", and a Blue one is 12-14", and I forget what color the smaller one is?:)
We got rid of the Teflon, because of some health concerns about them...they break down, and you are ingesting the stuff...and these ceramic pans work so much better than the Teflon does!
I love cast iron too, but these are great for those times when you just want a quick use pan, AND, if you are trying to keep the weight down in the RV:)