Lab color space

Usage

• CIELAB is used extensively by X-Rite as a color space with their hardware and software color measuring systems.
• CIELAB D50 is available in Adobe Photoshop, where it is called "Lab mode".
• CIELAB is available in Affinity Photo by changing the document's Colour Format to "Lab (16 bit)". The white point, which defaults to D50, can be changed by ICC profile.
• CIELAB D50 is available in ICC profiles as a profile connection space named "Lab color space".
• CIELAB (any white point) is a supported color space in TIFF image files.
• CIELAB (any white point) is available in PDF documents, where it is called the "Lab color space".
• CIELAB is an option in Digital Color Meter in macOS described as "L*a*b*".
• CIELAB is available in the RawTherapee photo editor, where it is called the "Lab color space".
• CIELAB is used by GIMP for the hue-chroma adjustment filter, fuzzy-select and paint-bucket. There is also a LCh(ab) color picker.
• Web browser support for CIELAB was introduced as part of CSS Color Module Level 4, and is supported in all major browsers.
• CIELAB is used to characterise the color of biological objects, and transformation of L*a*b* to Chroma and Hue Angle has been proposed as a better solution than just publishing raw L*a*b* values. A set of free tools is described at https://hal.science/hal-05479897