generally, vegetables are light. If you say cool vegetables, see the picture below: Except pumpkins and golden melons, other vegetables, such as bitter gourd, loofah, cucumber, cauliflower, watermelon and melon, are cool vegetables. Tomato, eggplant, celery, chrysanthemum brain, okra (purple leaf), lettuce, asparagus, watercress, sweet potato, etc. It is also a cold vegetable.