ColorMine.org

Convert Rgb to Lab

Enter values for an Rgb to convert it to Lab, or vice versa.

Note: ColorMine uses the sRgb color space. More information on sRgb vs AdobeRgb.
Rgb
0 to 255
0 to 255
0 to 255
CIE-L*ab
0 to 100
-128 to 128
-128 to 128
Log

Rgb

The Rgb color space consists of all possible colors that can be made by the combination of red, green, and blue light. It's a popular model in photography, television, and computer graphics.

Lab

Cie-L*ab is defined by lightness and the color-opponent dimensions a and b, which are based on the compressed Xyz color space coordinates. Lab is particularly notable for it's use in delta-e calculations. Read more about it here.

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Looking for the code?

All calculations were doing using the open source ColorMine library.

The code used for the Rgb and Lab conversions can be found on Github:

Conversion Example:

var rgb = new Rgb();
var lab = rgb.To<Lab>();

Color conversions performed using the open source ColorMine library.

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If you're into color, color theory or design you should definitely check out the award winning Nix Color Sensor. It really is a game changing tool.

Looking for a specific conversion?