The issue is about eye strain not contrast, e.g. looking a bright white background for a long period will cause eye strain.
- Should backgrounds be lighter or darker?
- Is a dark background less effective?
- Is black background better than white?
- Should the background be darker?
Should backgrounds be lighter or darker?
Light backgrounds will be more appropriate for the elderly and visually impaired, dark backgrounds may be more attractive for a younger audience or a target group that particularly appreciates the professionalism and elegance of the websites they browse.
Is a dark background less effective?
The researchers put this down to the fact that when we look at a bright background, our pupils constrict and increase acuity while scanning text. When looking at a black background, the opposite effect occurs, and dilated pupils make it harder to focus on the text.
Is black background better than white?
While dark mode has a lot of benefits, it may not be better for your eyes. Using dark mode is helpful in that it's easier on the eyes than a stark, bright white screen. However, using a dark screen requires your pupils to dilate which can make it harder to focus on the screen.
Should the background be darker?
Use Darker, Less Saturated Colors for Backgrounds
It's better to make your background color darker and less saturated. Darkening the brightness decreases the white in it while desaturating it increases the gray in it. This tempers the color intensity it has on the eyes.