CSS color

CSS color values
Value Type Range
red color name -
#ff0000 color hex (six-digit) 00 - ff (#000000 - #ffffff)
#f00 color hex (three-digit) 0 - f (#000 - #fff)
rgb(255,0,0) color rgb (number) 0 - 255 (0,0,0 - 255,255,255)
rgb(100%,0%,0%) color rgb (percentage) 0% - 100% (0%,0%,0% - 100%,100%,100%)
.example1 { color: red; }

.example2 { color: #ff0000; }

.example3 { color: #f00; }

.example4 { color: rgb(255,0,0); }

.example5 { color: rgb(100%,0%,0%); }

Color Names

The color is specified as a color name.

.example1 { color: red; }
.example2 { color: green; }
.example3 { color: blue; }
Color examples
red lime blue white black
  • Color Names (The names and hex codes of the 147 colors)

Color HEX (six-digit)

The color is specified as a six-digit hex code.

.example1 { color: #ff0000; } /* Red */
.example2 { color: #00ff00; } /* Green */
.example3 { color: #0000ff; } /* Blue */

This hex code is a character string of six digits preceded by a hash character (#).

#ffffff

  • The first and second digits : Sets the level of the Red color.
  • The third and fourth digits : Sets the level of the Green color.
  • The fifth and sixth digits : Sets the level of the Blue color.

The range of each level : 00 (lowest level) - ff (highest level)
[The character used : 0 1 2 3 4 5 6 7 8 9 a b c d e f ]

Color examples
#ff0000 #00ff00 #0000ff #ffffff #000000
  • Color Names (The names and hex codes of the 147 colors)

Color HEX (three-digit)

The color is specified as a three-digit hex code. (CSS only)

.example1 { color: #f00; } /* Red */
.example2 { color: #0f0; } /* Green */
.example3 { color: #00f; } /* Blue */

This hex code is a character string of three digits preceded by a hash character (#).

#fff

  • The first digit : Sets the level of the Red color.
  • The second digit : Sets the level of the Green color.
  • The third digit : Sets the level of the Blue color.

The range of each level : 0 (lowest level) - f (highest level)
[The character used : 0 1 2 3 4 5 6 7 8 9 a b c d e f ]

Color examples
#f00 #0f0 #00f #fff #000

Color RGB (number)

The color is specified as a rgb triplet. (CSS only)

.example1 { color: rgb(255,0,0); } /* Red */
.example2 { color: rgb(0,255,0); } /* Green */
.example3 { color: rgb(0,0,255); } /* Blue */

This rgb value is specified by a number.

rgb(255,255,255)

  • The first number : Sets the level of the Red color.
  • The second number : Sets the level of the Green color.
  • The third number : Sets the level of the Blue color.

The range of each level : 0 (lowest level) - 255 (highest level)

Color examples
255,0,0 0,255,0 0,0,255 255,255,255 0,0,0

Color RGB (percentage)

The color is specified as a rgb triplet. (CSS only)

.example1 { color: rgb(100%,0%,0%); } /* Red */
.example2 { color: rgb(0%,100%,0%); } /* Green */
.example3 { color: rgb(0%,0%,100%); } /* Blue */

This rgb value is specified by a percentage.

rgb(100%,100%,100%)

  • The first percentage : Sets the level of the Red color.
  • The second percentage : Sets the level of the Green color.
  • The third percentage : Sets the level of the Blue color.

The range of each level : 0% (lowest level) - 100% (highest level)

Color examples
100%,0%,0% 0%,100%,0% 0%,0%,100% 100%,100%,100% 0%,0%,0%