Glow and shadow both work, albeit not together (or not where I can notice) but if you think about it, Glow is adding light, and shadow is adding darkness, and one should cancel the other.
"I didn't feel like we had to score," Tannehill said. "I had the mindset we were going to score."
This is a pretty comprehensive list of the available colors:
I ended up just going with white and black, though.