RGB Color Converter Online

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RGB Color (Hex)	Notation
RGB Color	Color space Notation

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About RGB Color

RGB color is a color model that represents colors by combining three light components: red, green, and blue. It is widely used for colors handled on screens, such as displays, web pages, and image data.

In RGB, the intensity of each component is specified with a numeric value. It is commonly represented as an integer from 0 to 255, or as a percentage from 0% to 100%. When all components are 0, the color is black; when all components are at their maximum, the color is white.

Color	RGB notation	Hex notation
Red	`rgb(255 0 0)`	`#ff0000`
Green	`rgb(0 128 0)`	`#008000`
Blue	`rgb(0 0 255)`	`#0000ff`
White	`rgb(255 255 255)`	`#ffffff`
Black	`rgb(0 0 0)`	`#000000`

RGB colors can be written in function notation or hexadecimal notation. For example, red can be represented as rgb(255 0 0), rgb(100% 0% 0%), #ff0000, or #f00.

To include transparency, add an alpha value. For example, semi-transparent red can be represented as rgb(255 0 0 / 50%) or #ff000080.

DenCode RGB color conversion supports the following notation options.

RGB color (hex)
Notation option	Format	Example
`#RRGGBB(AA)`	`#RRGGBB` `#RRGGBBAA`	`#ff0000` `#ff000080`
`0xAARRGGBB`	`0xAARRGGBB`	`0xffff0000` `0x80ff0000`

RGB color
Notation option	Format	Example
Number	`rgb(R G B)` `rgb(R G B / A)`	`rgb(255 0 0)` `rgb(255 0 0 / 0.5)`
Percentage	`rgb(R% G% B%)` `rgb(R% G% B% / A)`	`rgb(100% 0% 0%)` `rgb(100% 0% 0% / 0.5)`

0xAARRGGBB is not standard CSS hexadecimal color notation, but it is an ARGB format sometimes used in programs and application settings. The leading AA represents alpha, followed by RR, GG, and BB for red, green, and blue.

sRGB and Other RGB Color Spaces

RGB is a color model that represents colors with three components: red, green, and blue. However, even with the same RGB values, the actual color differs depending on which color space is used for interpretation. Common web rgb() and #RRGGBB values are normally handled as colors in the sRGB color space.

CSS Color Module Level 4 also defines RGB color spaces whose gamuts differ from sRGB, such as Display P3 and ProPhoto RGB. DenCode also supports conversion for these color spaces.

Color space	Format	Example	Characteristics
sRGB	`rgb(...)` `color(srgb ...)`	`rgb(255 0 0)` `color(srgb 1 0 0)`	The common RGB color space for the web and CSS. Hex color codes and ordinary `rgb()` values are basically handled as sRGB. `color(srgb ...)` is a CSS Color Module Level 4 format.
Linear sRGB	`color(srgb-linear ...)`	`color(srgb-linear 1 0 0)`	A color space that uses the same gamut as sRGB but represents values with linearized components. It is used for color calculation and compositing.
Display P3	`color(display-p3 ...)`	`color(display-p3 1 0 0)`	A wider-gamut color space than sRGB, used on wide-gamut displays and some mobile devices.
Adobe RGB (1998)	`color(a98-rgb ...)`	`color(a98-rgb 1 0 0)`	A wider-gamut color space than sRGB, sometimes used in photo editing and print-oriented workflows.
ProPhoto RGB	`color(prophoto-rgb ...)`	`color(prophoto-rgb 1 0 0)`	An RGB color space with an even wider gamut than Adobe RGB, used as a working color space in photo editing.
Rec. 2020	`color(rec2020 ...)`	`color(rec2020 1 0 0)`	An RGB color space with a very wide gamut, used in UHDTV and HDR video standards.

Colors specified in wide-gamut RGB color spaces may not be represented accurately on sRGB screens or with ordinary hexadecimal color codes. When DenCode converts to #RRGGBB or numeric rgb(R G B), components outside the sRGB representable range are handled so that they fit within the range from 0 to 255. On the other hand, selecting a color space such as color(display-p3 ...) or color(a98-rgb ...) allows the color to be displayed as component values in the selected color space.

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About RGB Color

sRGB and Other RGB Color Spaces