Rated 5 out of 5 stars

Instead of using the sliders, I used the text output (when you drag a color preset)
Set the icons in place and drag the preset to your text editor
hue1,hue2,sat1,sat2,lum1,lum2,opa1,opa2,selected(1/0),icon letters;

This review is for a previous version of the add-on (7.0).  This user has a previous review of this add-on.