Hexadecimal color space
The hexadecimal color system creates all colors by combining the values for red, green, and blue. It uses the hexadecimal notation for this. In steps of two it stands for the respective color value. The specifications of these colors are always 6 digits.
Three 2-digit values are strung together, with the first two values containing the information for red, the middle values containing the information for green, and the last two values containing the information for blue. There are a total of 16,777,216 hexadecimal colors.
The hexadecimal color system is one of the most common systems for web applications and image or photo editing. It is used in the creation and design of web pages and can be found in most image editing programs.