The default theme in my OS and browser is dark text on light backround and thats what most applications expect.

What color text on black and white background. The right color picker controls the text color. White text on black backgrounds creates a visual fuzzing effect called halation. A research study found that black text on a white background overstimulates the OFF ganglion cells while white text on black background overstimulates the ON ganglion cells.

With black text on a white - specifically backlit - background the background brightness creates halos that obscure the text and make the characters harder to read. How to invert the colors of your screen negative under Windows for easier reading and less radiation from the display. The next step is to find a good color option for buttons and links the actions.

The left color picker controls the background. This makes the text. 9 While scanning text white text on dark background is fine.

Evaluate button and link luminosity. Graphite Light Narrow ATT. The luminance of black is 00 and white is 10 so substituting those values lets you determine the one with the highest contrast.

People with astigmatism approximately 50 of the population find it harder to read white text on black than black text on white. If you go to the Window Character panel you can change colour there. Grey text on dark background is easier to read than white text on dark background because less light is reflected on words.

The position of your character tab will probably vary from mine. Approximately half the population has some degree of astigmatism. When the text is backlit white and the background is black the halos go outwards from the characters and cause less interference.