cgmgzn_color (create color control)

Script for After Effects allow you to bind all color parameters to a color control

You can run it directly through File->Scripts->Run Script File. Or if you want dockable panel you can place script on /%Your_AE_Folder%/Scripts/ScriptUI Panels and run it through Windows->cgmgzn_changeCol
Paste or type a hex color you want to bind to color control and press execute. All color parameters with color as you defined will be binded to a single color control. You can define variation to bind similar color parameters to one color control.
Two checkboxes are places where to seek for colors.