3.9 Use appropriate contrast.
Dark text on a white or very light background is the easiest to read.24,30 Use reversed-out text (dark backgrounds with light text) sparingly. It’s also important to keep the background clear, so avoid patterns and images.
Example
- Good contrast:
- Arteries are the tubes that carry blood away from your heart. Every time your heart beats, it pumps blood through your arteries to the rest of your body.
- Bad contrast:
- Arteries are the tubes that carry blood away from your heart. Every time your heart beats, it pumps blood through your arteries to the rest of your body.
