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.