The six digit color number is broken into three groups of two digits which specify the amount of Red, Green, and Blue in the color (using additive color.the way colored lights mix, not the way color pigments mix). a color number, such as '#FF0000', '#FFFFFF' (those are red and white).Ĭolor numbers are specified using hexadecimal (base 16) values.HTML used to recognize 16 color names ('black', 'white', 'gray', 'silver', 'maroon', 'red', 'purple', 'fushsia', 'green', 'lime', 'olive', 'yellow', 'navy', 'blue', 'teal', and 'aqua'), but new browsers can recognize 147 CSS3 color names.
