HEX
#
RGB
HSL

#FFFF00 CSS / HTML Preview

Text with hexadecimal color #FFFF00

This text has a font color of #FFFF00. 

<span style="color:#FFFF00;">Your text here</span>
#FFFF00 border color

This element has a border color of #FFFF00. 

<div style="border:2px solid #FFFF00;">Content here</div>
#FFFF00 background color

This paragraph has a background color of #FFFF00. 

<p style="background-color:#FFFF00;">Content here</p>
CSS codes 
.text {color:#FFFF00;}
.background {background-color:#FFFF00;}
.border {border:1px solid #FFFF00;}