93Color
to create the color white. In fact, this is why staring at white screens for hours
can be very hard on the eyes. Unlike with paper, which simply reects the
light present in a room, when viewing a backlit screen your eyes are being
bombarded with the full intensity of three colors mixed to create white.
The brightness is so intense that it can even cause insomnia and alter sleep
patterns (Sutherland, 2013).
There are many different ways of expressing RGB colors in your Web maps.
However, the most common methods are to use RGB decimal or RGB hexa-
decimal (or #RRGGBB) model numbers. Regardless of which method you
use to select your colors, you have up to 16,777,216 colors at your disposal.
RGB Decimal
RGB colors can be created using numbers. ...