How Hex Color Codes Work: A Simple Explanation
#FF5733 looks like gibberish until you understand the pattern. It takes 30 seconds to learn.
A hex color code is a 6-character code representing a color using the RGB (Red, Green, Blue) system. The first two characters are red, the next two are green, the last two are blue. Each pair ranges from 00 (none) to FF (maximum). #FF0000 is pure red. #00FF00 is pure green. #0000FF is pure blue. #000000 is black (no color). #FFFFFF is white (all colors at maximum).
Reading Any Hex Code
#FF5733: Red=FF (255, maximum), Green=57 (87, moderate), Blue=33 (51, low) = a warm orange-red. #3498DB: Red=34 (52, low), Green=98 (152, moderate), Blue=DB (219, high) = a medium blue. The pattern becomes intuitive quickly — high first pair means reddish, high middle means greenish, high last pair means bluish.
Shorthand Hex
#FFF = #FFFFFF (white). #000 = #000000 (black). #F00 = #FF0000 (red). Three-character codes double each digit. Use shorthand in CSS when possible for cleaner code.