What are the HTML color codes?
HTML color codes are hexadecimal triples representing red, green, and blue (#RRGGBB). For example, for red, the color code is #FF0000, which is "255" red, "0" green, and "0" blue. There are 16,777,216 possible HTML color codes, and all are viewable on 24-bit monitors.
HTML color codes are identifiers used to represent colors on the web and other digital assets. Common color codes take the form: keyword name, hexadecimal value, RGB (red, green, blue) triplet or HSL (hue, saturation, lightness) triplet. The different values allow you to choose from 16,777,216 possible colors.