CSS Colors

CSS Color Names

CSS supports 140 standard color names. You can use these names directly in your styles.

h1 {
  color: Tomato;
}
p {
  color: DodgerBlue;
}

RGB and RGBA Colors

RGB stands for Red, Green, and Blue. An RGB color value is specified with: rgb(red, green, blue). Each parameter defines the intensity of the color from 0 to 255.

h1 {
  background-color: rgb(255, 99, 71);
}

RGBA color values are an extension of RGB with an alpha channel (opacity). An RGBA color value is specified with: rgba(red, green, blue, alpha). The alpha parameter is a number between 0.0 (fully transparent) and 1.0 (fully opaque).

h1 {
  background-color: rgba(255, 99, 71, 0.5);
}

HEX Colors

A hexadecimal color is specified with: #RRGGBB, where the RR (red), GG (green) and BB (blue) hexadecimal integers specify the components of the color.

h1 {
  background-color: #FF6347;
}