#808000

Δ ligthness

#333300

#808000

#999900

#cccc00

#ffff00

#ffff33

#ffff66

#ffff99

#ffffcc

Δ saturation - Δ hue

 <p style='color:#808000'>Lorem ipsum consectetur adipiscing.</p>

Lorem ipsum consectetur adipiscing.

Create multiple class with multiple names and options : text color, background, border ...(Stylesheet)

 .text_color {color:#808000;}

 .background_color {background-color:#808000;}

 .border_color {border:2px solid #808000;}

 .text_color_rgb {color:rgb(128,128,0);}

 .background_color_opacity {background-color:rgba(128,128,0,0.5);}

rgba (red, green, blue, alpha) alpha is a number between 0.0 (Transparent) and 1.0 (Opaque)

 <div class='text_color'>Lorem ipsum consectetur adipiscing</p>

text_color class will be applied to a new HTML element div