Multiple choice technology web technology How many numerical characters are in a hex color code? 5 6 4 7 Reveal answer Fill a bubble to check yourself B Correct answer Explanation Hexadecimal color codes use exactly 6 hex digits (0-9, A-F) in the format #RRGGBB. Each pair represents one color component: red (RR), green (GG), and blue (BB). This is the standard RGB color model notation used in HTML and CSS.