I'm trying one last idea. Everything I've tried so far has not worked. I even contacted the manufacturer of the casting resin and they only had one idea, which is what I'm trying now. If this doesn't work out, I'm going to start making them and maybe have some type of upgrade offer. I'll start off with blue and red, then green and amber. I need to get one more pigment for the last two. Also if anyone wants some, I can make non-translucent colored buttons for a little less.