Lighting Effects - The Photoshop: Professional Retouching and Compositing Tips, Tricks, and Techniques - page 186

Figure 3.24
2. In the Gradient Fill dialog that now appears, change the Style from Linear to
Angle ( Figure 3.25 ) and then click the gradient to open the Gradient Editor.
Figure 3.25
3. Change the Gradient Type to Noise, creating a multicolored starburst effect. We
need to remove the color but keep the starburst.
4. To desaturate the color, change the Color Model setting from RGB to HSB (Hue,
Saturation, Brightness) and then drag the S (Saturation) slider to the far left ( Fig-
ure 3.26 ) .