CSS Colors

prism light refraction

Wikipedia Web Colors

Name

As defined in HTML: aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, purple, red, silver, teal, white, yellow

There are also Extended Color Keywords for CSS3, which are the same as SVG 1.0 colors (SVG is a type of image file format).

RGB Color Space

256 colors in each channel (Red, Green, Blue). Values can be
color picker

The following are all equivalent ways of defining a shade of orange:

  • rgb(100%,66%,33%)
  • rgb(255,168,84)
  • #ffa854
 

HSL Color Space

Hue, Saturation, Lightness (HSL) is another way to specify color value. It is based on a cylindrical model of color. Fore more information see:

In CSS3, you can use HSL values (e.g. hsl(29,100%,66%))

Same Color, Expressed differently

Example 4.33 - Background Color - Example 4.33
<div style="background-color: rgb(100%,66%,33%); padding: 1em; ; margin: 1em;">Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
   <br/>
rgb(100%,66%,33%)
 </div>
 <div style="background-color: #ffa854; padding: 1em; margin: 1em; ">Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
   <br/>
#ffa854
 </div>
 <div style="background-color: rgb(255,168,84); padding: 1em; ; margin: 1em;">Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
   <br/>
rgb(255,168,84)
 </div>
 <div style="background-color: hsl(29,100%,66%); padding: 1em; ; margin: 1em;">Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
   <br/>
hsl(29,100%,66%)
 </div>