• 2025
• ICC Expert Day on Individual Colour Matching
• Hong Kong HDR Colour Symposium

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• 2024
• Spectral Imaging Experts' Day, Gjøvik

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• 2023
• London Meeting Invited Speaker session

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• 2022
• HDR Experts' Day

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• 2020
• ICC DevCon 2020
• Munich, 10-11 February

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• 2019
• ICC Color Experts' Day, Bressanone

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• 2018
• ICC Color Symposium Hong Kong, 22 October
• Grand Rapids, MI, 30-31 May
• ICC DevCon 2018
• Munich, 25-26 February

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• 2017
• Ryerson Toronto Graphic Arts Day, 13 October
• Toronto, 11-12 October
• Prague Graphic Arts Experts' Day, 29 June
• Prague, 27-28 June
• Tokyo, 19-20 April

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• New HDR metadata tags registered

• ICC.1 Amendment: Adaptive Gain Curve

• Scholarship fund

• ICC Research Portal

• IP policy

• Colorimetry data

• Profile security

• ICC tech note on embedding an iccMAX profile in a v4 profile

• iccMAX Demo Implementation - v2.1.3 released

• New version of ICC.2 (iccMAX) published

• Dr Danny Rich

• New version of ICC.1 (v4.4) published

• Tech note on partial adaptation

• Interoperability Conformance Specifications approved

• ICC DevCon2020 - recordings available!

• ICC working group on HDR

• Android lock screen bug

• iccMAX published as ISO 20677

• iccMAX

• ICC White Paper on iccMAX Calc programming

• ICC video

• Display calibration

• PRMG-based exchange profile for digital print

• Profiling tools

• ICC Profile Registry

• sRGB profiles

• Why join ICC?

• What is an ICC Profile?

• Using CxF for printing spot inks

• What is FOGRA39?

• Consistent colour appearance

• Colour management resources in Chinese

• Colour gamut analysis

• iccMAX: a new colour management paradigm (video)

dictType metadata entry: Content HDR Reference White Luminance

Owner: Apple Inc

Contact: Nicolas Bonnier ([email protected]), Luke Wallis ([email protected])

Change date: 04-06-2025

Category: HDR Image

Name: CRWL

Meaning of name: CRWL defines HDR reference white luminance in nits (cd/m²) of the image content.

Usage restriction: Optional

Display name element: Content HDR Reference White Luminance

Value	Meaning	Display element
Floating point number	Floating point value describes the HDR reference white luminance in the image content, as defined in ISO TC 42 specification 22028-5.	Content HDR Reference White Luminance