The common recolor tools make changes to all of the colors of the selected elements. This is useful for broad changes to the web page's color scheme. 


Adjust Colors:  

The Adjust Colors option lets you change the Hue, Saturation and Lightness of all of the selected colors at once.


Blend Color:
Blending colors allows you to change all of the colors of the selected elements to different shades of a base color while keeping all the different variations in shade. 
This lets you totally change the color scheme of an entire page without changing the basic design. 

Invert Colors:
Inverting the colors will invert all of the colors of the selected elements.

Clear Color Changes:
Undoes any color changes made during the current recolor session.