GB/T 3978-2008 "Standard Illuminants and Geometric Conditions" is a fundamental standard in the field of color measurement. It specifies the unified light source conditions (such as D65 for simulating daylight and A for simulating indoor light) and geometric observation conditions (such as 45°/0° and d/8°) that must be used for color measurement and evaluation. This standard serves as the foundation for ensuring the comparability and accuracy of color measurement results.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | K70 | ICS | 17.180.20 |
| Release Date | 2008-06-26 00:00:00 | Implementation Date | 2009-03-01 00:00:00 |
