Customizable fonts and background colors for accessibility
Not all people with poor eyesight can use a high-contrast font. For instance, using high contrast gives me a migraine within minutes. However, the other color schemes provided are equally unusable as they are difficult for me to read. We should be able to customize the fonts and background colors as needed.
Have you tried immersive reader?
I agree, particularly when creating announcements or formatted conversations, the highlighting and font colors should create sufficient contrast.