The purple color of grapes can be described as deep, mysterious, noble and elegant, giving people a dreamy feeling. This color is full of charm and mystery, as if it contains all kinds of wisdom and mysteries in the world. When describing the purple color of grapes, we can use some of the following words:

1. Rich: describe the high color saturation, deep and rich.

2. Charm: Purple has a mysterious and charming charm that people can't resist.

3. Elegance: Purple is an elegant color, giving people an elegant and noble feeling.

4. Dream: The dream feeling of purple makes people feel as if they are in a dream.

5. Wisdom: Purple always reminds people of scholars and wisdom, and that deep color is full of wisdom and philosophy.

These adjectives can be used to describe the purple color of grapes to express the unique charm and deep attraction of this color.