Provided is a beverage that is stable in terms of color tone and savor even during hot storage or long-term storage. More specifically, provided is a packaged green tea beverage comprising 100 to 800 ppm of an ascorbic acid and 1 to 200 ppm of valine, and having a colorimetric lightness (L*) and chroma (C*) satisfying the following: (i) 75 ‰¤ L* ‰¤ 95; (ii) 15 ‰¤ C* ‰¤ 25.