A
noise gradient is a gradient that contains randomly distributed
colors within a range of colors that you specify.
Noise gradients with different noise values.
A.
10% noise
B.
50% noise
C.
90% noise
Select the Gradient tool .
To display the Gradient Editor dialog box, click the
Edit button in the options bar.
Choose Noise from the Gradient Type menu.
Set options for the gradient.
Roughness
Sets the amount of softness in the transition between colors
in the pattern.
Color Model
Specifies the color model to use to set the color range to
include in the gradient. To define the range of colors, drag the
sliders for each color component.
Restrict Colors
Prevents oversaturated colors.
Add Transparency
Adds transparency to random colors.
To randomly mix the colors, click the Randomize button
until you find a gradient you like.
Enter a name for the new gradient.
To add your gradient preset, click New.
Click OK to exit the dialog box, and then select the
newly created gradient.