I am assuming the little columns on each side of the tray are to help show the max fill level. That’s what I use them for, at least. How about adding little black marks on the tops of those columns to make it easier to see the tops in less than real bright light.
That would probably be a big deal for them to paint them all, but I think a sharpie would do the trick once we take delivery. I used to do that to the raised letters on water tanks and it actually worked great.