a lot of what I heard was that it’s easier on the eyes—i.e., they found the dark background to be less harsh than the bright white background when looking at their phones at night. But while a ...

Later on, technology would advance to the point where each dot of light would contain a red, blue, and green phosphor ... with a dark display (black background) the iris opens to receive more ...

and the background. Maximum contrast is black versus white, but this combination can be considered too overwhelming (it might cause glare). Other colors can be used—such as navy, dark green, or maroon ...