Color Distance Online

Compare two sRGB colors using CIE76 Delta E in D50 Lab, alongside RGB distance. Free color distance online, with no installation or account.

Tool capabilities

Input: Options
Output: JSON

How to use Color Distance

Compare two sRGB colors using CIE76 Delta E in D50 Lab, alongside RGB distance.

Change the colors, text or numeric controls above.
Compare the preview as you adjust the controls.
Copy the output or download it to your device.

Color Distance · Example

Input

{
  "a": "#5265d8",
  "b": "#ffffff"
}

Output

{
  "deltaE76": 85.11059,
  "labA": [
    46.13592,
    20.63356,
    -62.58378
  ],
  "labB": [
    100,
    0,
    0
  ],
  "rgbDistance": 234.87443
}

Compare two sRGB colors using CIE76 Delta E in D50 Lab, alongside RGB distance.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

CIE76 Delta E uses D50 Lab after Bradford adaptation. It is a color difference metric, not a contrast or readability score.

Color Distance