The Windows color selector currently used in HTMLBar is far from adequate for the job. In its current implementation it is not even able to detect the selected color value in code window.
Why not implementing a simple but useful color selector showing all the websafe colors and able to be used either as a toolbar color listbox or via the word/color completion popup? I mean something like those found in DW, EditPlus, UltraEdit, Expression Web and many many other editors.