HTML color codes are hexadecimal triplets representing the colors red, green, and blue (#RRGGBB). HTML color code has six hex values (e.g #AADDBB). Those six letters represent 2 for red, 2 for green and 2 for blue. And also, the value begin from 00 to ff (minimum to maximum).You can use these color codes in the css to make your html design colorful. Named Colors are supported by all browsers.Below, are different color names and codes :