Black text usage

1. When should I use black font?
2. Should you use black text?
3. Why is black used in text?
4. Is white or black text better?

When should I use black font?

Black text is recommended for use on light backgrounds, and white text on dark backgrounds. If your app has both light and dark themes, make sure the text is available in a contrasting color against each theme.

Should you use black text?

Pure black isn't harmful to all users. Low vision users, who are sight impaired but not blind, tend to read text better with pure black text or white text on a black background. When designing for them, you may need to use black for an accessibility mode.

Why is black used in text?

Black text on a white background provides maximal value contrast and, therefore, optimal readability for body text. The contrast between charcoal gray (#333333) text and a white background is about eighty percent—thus giving minimally good value contrast.

Is white or black text better?

From a specific focus on color in this research: “… The most readable color combination is black text on white background; overall, there is a stronger preference for any combination containing black […]