Hey i am very interested in these custom knobs. Of course depending on pics. im interested mainly in clear but green or blue to match indiglos would work too. If people are concerned with not being about to see the knobs i dont think it will be a problem, there is enough curves in the knobs that you will still be able to see where it is pointing. THat is that those curved areas will be dark when the light from behind shines through. I feel clear would be the best idea and most suitable for everyones needs if only one color can be made.