Right now they are changing so many things, it's hard to say. I've seen the cyan toolbar on a few occasions, but it rarely works for me. Since you're not using the study tools, if you're signed in you could try signing. If you're signed out and see it, try signing in. Things are changing, so if you find a solution, it may not be a permanent solution.
Also, if you find the new color distracting, I suggest you use the "Feedback" link at the bottom of most pages to report that. I've seen the new cyan toolbar so infrequently that I don't have an opinion on it yet.