To create custom colors

  1. In the color box, click the color you want to change.
  2. On the Colors menu, click Edit Colors.
  3. Click Define Custom Colors.
  4. Click the color swatch to change the Hue and saturation (Sat), and then move the slider in the color gradient to change the luminescence (Lum).
  5. Click Add to Custom Colors, and then click OK.