I HATE low contrast websites, so this is my new favourite #firefox addon:

https://github.com/Fushko/font-contrast

https://addons.mozilla.org/de/firefox/addon/font-contrast-fix/

Simple add-on to improve legibility on hard to read websites. Allows you to turn all or hard to read text to black, to dim to a darker shade of the same color (e.g. light grey to dark grey), or to increase the size of fonts below a certain threshold. It does so using no JS on the page contents, but rather a simple