The biggest difference between reds and whites is in how they’re made. The grapes used for red and white wines generally look very different—as you might imagine, red wine grapes are darker and have more pigment.
White wine is made of pressed grapes, with only the juice is fermented. Whereas when making red wine, the grape juice that gets fermented usually still contains the grapes, or pieces of the grapes—sometimes even their stems. The solids are removed after the wine is fermented. That accounts for red wine’s darker color and more robust body
Check out the infographic below for a quick explanation!