Maybe I'm somehow missing it but I don't see it in the options
preferably this color from the retail frames: https://i.imgur.com/AJjxOH7.png

https://pastebin.com/raw/296yKpmP
replace your borders.lua with this if you want this before he gets around to adding it, probably ineffeciently/dumb way to do it tho

Not spending any more effort into the legacy version.