Low density text (most of screen has no content) is easier to read on a black background with bold, light color text. High density text (most of screen has cont

Low density text (most of screen has no content) is easier to read on a black background with bold, light color text. High density text (most of screen has content) is easier to read on a tan background with black text. HN knows what’s up. Books, websites, email on light background. Code (lots of low density lines with only brackets) on a black background.