RGB is a three-channel color model that represents the red, green, and blue (RGB) colors. RGB has become the most common color format for TV screens and computer monitors.
A hex color code is a six-character code, consisting of 3 pairs of two-digit numbers. The first pair of numbers is the amount of red in the color, followed by green and then blue. For example, #FF0000 is red, while #0000FF is blue.