or at least add icons like ↑ and ↓ next to it.

C# in Excel can't even properly pull values from a table correctly. No way I'm going to waste 2-3 trying to make it concatenate non-alphanumeric characters into cells.

At work, there isn't anyone I have to send tables to that is colorblind. And if that changes, they can make a request. Until then, I'm sticking with red/green