Go to Colors and load the color database that you want to edit.
Next, go to Colors >> Manage Color Sets>> Edit Active Color Set.
Or, Click on Manage Color Sets icon >> Edit This Color Set.
Add color to existing color database:
Click on the ‘Add’ button to add the color in the existing color database.
Click on color name to rename the new color pom.
Click on color box to choose the color.
Edit existing color in color database:
Same principle applies for editing the existing colors as well.
Once you click on the color box, Color Picker Dialog box will open.
Various modes of color changing option are found here like Standard, Green-Blue, Red-Green, Blue-Red, Lum-Sat, Hue-Sat, Hue-Lum.
Color values can also be changed by setting R G B values.
Once the color is set, click ‘OK’.
Note: Clicking on OK will modify the color values in your existing color set, so. please take a backup of original color database if required.