CSS/Properties/color/RGB - W3C Wiki

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RGB(Red-Green-Blue)

The RGB color model is used in numerical color specifications.

The format of the RGB Value

  • #rgbThe format of an RGB value in hexadecimal notation is a ‘#’ immediately followed by three hexadecimal characters(0-9, A-F).
  • #rrggbbThe format of an RGB value in hexadecimal notation is a ‘#’ immediately followed by six hexadecimal characters(0-9, A-F).
  • rgb(R,G,B) -integer-The format of an RGB value in the functional notation is ‘rgb(’ followed by a comma-separated list of three numerical values (three integer values(0-255, 0-255, 0-255)) followed by ‘)’.
  • rgb(R,G,B) -percentage-The format of an RGB value in the functional notation is ‘rgb(’ followed by a comma-separated list of three numerical values (three percentage values(0%-100%, 0%-100%, 0%-100%)) followed by ‘)’.

Example

  • Some examples are as follow:
#rgb#rrggbbrgb(integer)rgb(percentage)Color
#000#000000rgb(0,0,0)rgb(0%,0%,0%) 
#FFF#FFFFFFrgb(255,255,255)rgb(100%,100%,100%) 
#F00#FF0000rgb(255,0,0)rgb(100%,0%,0%) 
#0F0#00FF00rgb(0,255,0)rgb(0%,100%,0%) 
#00F#0000FFrgb(0,0,255)rgb(0%,0%,100%) 

Point, Note

  • Values outside the device gamut should be clipped or mapped into the gamut when the gamut is known: the red, green, and blue values must be changed to fall within the range supported by the device.
em { color: rgb(255,0,0) } /* integer range 0 - 255 */ em { color: rgb(300,0,0) } /* clipped to rgb(255,0,0) */ em { color: rgb(255,-10,0) } /* clipped to rgb(255,0,0) */ em { color: rgb(110%, 0%, 0%) } /* clipped to rgb(100%,0%,0%) */

CSS Reference

CSS Color defines the RGB color values in 4.2.1. RGB color values.

Tag » Color Rgb Css