"FZ/T 01099-2021 Textile Color System" is a Chinese textile industry standard. It was issued by the Ministry of Industry and Information Technology of the People's Republic of China on August 21, 2021 and has been implemented since February 1, 2022. The standard specifies the requirements for three-dimensional color labeling, measurement and color difference evaluation of textile colors, and provides suggestions for color analysis and matching. It is suitable for quantitative representation and analysis and matching applications of colors in the fields of textile design, processing, use, etc. Other industries can also refer to it. The formulation of the standard aims to provide standardized guidance for color management and quality control of textiles, ensure color consistency and accuracy, and promote technological progress and product quality improvement in the textile industry.