HEXkoodi
HEXkoodi, or hexadecimal color code, is a compact representation of color used in digital media, web design, and software. A typical hex code starts with a hash symbol (#) followed by six hexadecimal digits. The first two digits specify red, the next two green, and the last two blue. Each pair ranges from 00 to FF, corresponding to 0 to 255 intensity. For example, #1E90FF encodes a medium blue.
A shorter form exists in many applications: #RGB expands to #RRGGBB by duplicating each digit (for instance,
HEXkoodis are case-insensitive in practice, meaning #1e90ff and #1E90FF denote the same color. They are widely
Usage and considerations: hex colors are essential in web styling (CSS), user interfaces, and graphic design.
See also: color models (RGB, HSL, CMYK), CSS color specification, color accessibility.