How to draw a watercolor pen with gradually changing colors: First, dip more pigment in the watercolor pen to draw a strong effect. When the pigment is not dry, brush the color edge with a water-containing board brush, and after repeated strokes, a beautiful gradient color will be formed.

First, watercolor gradient

The gradual change of watercolor pen is a very important watercolor painting technique, and the key step of watercolor pen gradual change is the moisture content in watercolor. Same color can achieve gradient effect by adjusting water quantity. But too much or too little water can't show the best effect of gradual change.

Generally speaking, the gradient effect drawn by the same color system is the best, but try to draw the gradient effect of different color combinations.

Second, two painting methods

1. First of all, you need to prepare two watercolor pens, one dipped in water and the other dipped in paint. Dip the pen in a proper amount of pigment and draw by flat painting. Then dip the pen in an appropriate amount of water and gradually faint at the bottom of the pigment to form a gradient color.

2. Prepare two watercolor pens, use wet painting method, apply clear water where the color is to be painted, and use pigment to paint flat. At this time, it is necessary to immediately use a clear water pen to absorb some excess pigment below the pigment, and then dip it in water to smudge downward or left and right, which can also form a gradient color.