ISO 11664-4:2008 Colorimetry - Part 4: CIE 1976 L*a*b* Colour space
ISO 186:2002 Paper and board - Sampling to determine average quality
ISO 187:1990 Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
ISO 2469:2014 Paper, board and pulps - Measurement of diffuse radiance factor (diffuse reflectance factor)
ISO 2470-1:2009 Paper, board and pulps - Measurement of diffuse blue reflectance factor - Part 1: Indoor daylight conditions (ISO brightness)
ISO 5631-1:2015 history
2022ISO 5631-1:2022 Paper and board — Determination of colour by diffuse reflectance — Part 1: Indoor daylight conditions (C/2°)
2015ISO 5631-1:2015 Paper and board - Determination of colour by diffuse reflectance - Part 1: Indoor daylight conditions (C/2 degrees)
2009ISO 5631-1:2009 Paper and board - Determination of colour by diffuse reflectance - Part 1: Indoor daylight conditions (C/2°)