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Journal of Tea Science ›› 2025, Vol. 45 ›› Issue (5): 795-807.

• Research Paper • Previous Articles     Next Articles

Identification and Classification of Tea Leaf Color and Establishment of A Tea Leaf Color System

WANG Kairong1, ZHANG Longjie2, LIANG Yuerong3, LI Xiaoxiang3, ZHENG Xinqiang3,*   

  1. 1. General Agrotechnical Extension Station of Ningbo City, Ningbo 315010, China;
    2. Ningbo Huangjinyun Tea Sci-Tech Co. Ltd., Ningbo 315412, China;
    3. Tea Research Institute, Zhejiang University, Hangzhou 310058, China
  • Received:2025-02-10 Revised:2025-04-03 Online:2025-10-15 Published:2025-10-17

Abstract: The color values of 865 colored tea germplasm were obtained by comparing them with the PANTONE and RHS plant color cards, and describing them in language. Based on the principles of color science and the descriptors and data standard for tea germplasm, the basis and method for leaf color identification and classification were established according to the coloring regularity of tea leaves. On the basis of the definition of leaf color, a framework of tea leaf color composition consisting of type, series, sub-series and color level was established. The existing tea leaf colors were drawn into a tea leaf color system diagram (leaf color wheel), including 5 types, 9 color series, 6 sub-series (belonging to 3 color series) and 72 color levels. This paper provided a scientific basis for the leaf color differentiation and accurate identification of colored tea germplasms.

Key words: tea plant, leaf color, identification, classification, leaf color system

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