GB/T 3977-1997
Methods of color specification (English Version)
- Standard No.
- GB/T 3977-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-11
- Replace By
- GB/T 3977-2008
- Latest
- GB/T 3977-2008
- Scope
- This standard specifies the expression method of color when performing color visual matching or physical measurement. When the field of view is 1°～4°, it is expressed by the XYZ colorimetric system (CIE 1931 standard colorimetric system); when it is greater than 4° For the field of view, it is represented by X10Y10Z10 colorimetric system (CIE 1964 supplementary standard colorimetric system). This standard applies to all object colors (including reflected and transmitted colors) and light source colors.
GB/T 3977-1997 history
- 2008 GB/T 3977-2008 Specificaiton of colors
- 1997 GB/T 3977-1997 Methods of color specification
