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XYZ to LAB Converter

· Last updated：2025-01-12

Convert XYZ color values to LAB for color management

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Written by the Elysia Tools team
Color214
Color Space53
Lab24
XYZ18
CIE17
CIELAB15

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category
Design
Input types
textarea, select
Output type
text
Sample coverage
4
API ready
Yes

Overview

The XYZ to LAB Converter is a precise utility designed to transform CIE XYZ color space coordinates into the perceptually uniform CIELAB color space, essential for professional color management and digital design workflows.

When to use

  • When you need to translate device-independent XYZ color data into the CIELAB space for consistent color reproduction.
  • When preparing color profiles or specifications that require perceptual uniformity for print or display calibration.
  • When working with legacy color data that must be converted to modern LAB standards for software compatibility.

How it works

  1. 1Paste your XYZ color values into the input field, using either comma-separated, labeled, or standard function formats.
  2. 2Select your preferred output format from the dropdown menu, such as standard LAB notation, CSS-ready strings, or simple coordinate pairs.
  3. 3Click the convert button to instantly generate the corresponding LAB values based on standard illuminant calculations.

Use cases

  • Standardizing color data for cross-platform design systems.
  • Calibrating digital displays to match physical color samples.
  • Converting legacy color measurements for modern CSS color styling.

Examples

1. CSS Color Implementation

Web Developer

Background

A developer is updating a website's color palette to use modern CSS color functions for better gamut support.

Problem

The existing design system provides colors in XYZ format, but the CSS requires the LAB color space.

How to use

Input the XYZ values and select the 'CSS' output format to get ready-to-use code.

Output Format: css

Outcome

The tool outputs 'lab(50 0 0)' strings that can be directly pasted into the site's stylesheet.

2. Color Profile Calibration

Graphic Designer

Background

A designer is creating a custom ICC profile for a new printer and needs to convert raw sensor data.

Problem

The sensor outputs raw XYZ data, but the profile software requires CIELAB coordinates.

How to use

Paste the list of XYZ coordinates and select the 'labeled' output format for easy documentation.

FAQ

What is the difference between XYZ and LAB?

XYZ is a device-independent color space representing all colors visible to the human eye, while LAB is designed to be perceptually uniform, meaning a change in value corresponds to a similar change in perceived color.

Can I convert multiple colors at once?

Yes, you can paste multiple XYZ values into the input area, with each color on a new line, to process them in a single batch.

Which illuminant is used for the conversion?

This tool uses the standard D65 illuminant, which is the industry standard for most digital color management tasks.

What output formats are supported?

You can output results as standard lab() functions, CSS-compatible lab() syntax, simple comma-separated values, or labeled L, A, and B coordinates.

Is this tool suitable for print production?

Yes, it provides the accurate mathematical conversion required for color matching and profile creation in professional print workflows.

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