Purity, also known as saturation, refers to the gray color of the sun, that is, the color of the pigment saturation. RGB color in a blue-red color for maximum purity, and black-and-white close to the gray color of the lower purity of color. Who rely on visual identification can come out of a certain hue of color tend to have a certain amount of fresh gray, and the purity of it depends on the level with a neutral gray color of the total number of black and white.
Just out of the tin tube without any color to reconcile its purity is higher, once mixed with other colors, it will reduce its purity. Sketching and painting, usually with a high purity of color to depict the times in order to control the color screen relationship to the performance of the main objects of color are often inclined to deploy a different color of gray to create a subtle contrast between the color and contrast, So that the picture of the scene showed a sense of space, quality and quantity of flu. In dealing with the relationship between color screen, using a variety of lower-grade transfer and tendentious ash transfer is an effective way to a variety of colors between the cross will have to deploy a multi-level color, and the solid color in Local screen in a richer saturated.
Pink is due to the water transfer silty water color painting, often after the gray dry, shallow, not enough color saturation, which is a number of gouache study of the problem faced by regular people. According to the author's experience, when the actual color images in color purity on a number of strong, not the color repeatedly stressed that the transfer of a few more times, the lower its purity; Then the appropriate color of water, water, dry After purity of the natural On low.

 

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