#225 fixed the buttons colors being indistinguishable in tables, but when I checked the color contrasts, they're still a little lacking.

I'm thinking that we need to make the color contrast even stronger. Here's the contrast ratio I'm seeing in each theme/background combination using a contrast checker:
![image](https://user-images.githubusercon

Would be good to have some basics tests in here.

Could just use jest, or something else. Very open to ideas