The peaks were just me being stupid and not remembering anything about how to theme in Reaper since I've been working in my studio with one theme for so long. I've got that sorted, as moronic as it makes me feel to say.
But the real question I'm looking for an answer to is this: is there a way to restore a theme I got from the stash back to its default color scheme after it's been tweaked?
I mean, I've deleted every freaking theme from my PC and went and re-downloaded them from the stash and they STILL don't show their own colors in the arrangement window. They just display whatever ugly colors I was dinking around with last. I want to get back the default color scheme and have it stick.