The color of the two types of grains in the texture.
Grain_size
The size of grains in the texture. The Grain_size value effectively scales the entire texture. The valid range is 0 to infinity. The slider range is 0 (no grains) to 0.1 (large
grains). The default value is 0.01.
Diffusion
Controls the amount that Color1 blends into Color2. The valid range is 0 to infinity. The slider range is 0 (no blending) to 1 (smooth blending). The default value is 1.
Mix_ratio
Determines which of the two colors is the dominant color. The valid range is 0 to infinity. The slider range is 0 (Color1 is totally dominant) to 1 (Color2 is totally dominant). The default value is 0.5.
