How HEX Colors Work
A plain-language explanation of hexadecimal color codes, channels, and CSS usage with examples from the color library.
Two digits per channel
In #RRGGBB, the first pair is red, the second green, the third blue. FF means full intensity (255); 00 means none.
Using HEX in CSS
Set color: #0A0F0C; or background: #F5F5DC;. Modern CSS also accepts #RRGGBBAA for alpha.