Vance,
If that plug came out of your engine while it had idled for a moment, the coloration and condition are largely useless,....
The only way to "see" what is going on in the engine is by performing a "Plug Cut". This is done by holding the engine at a specified throttle setting and load for 20 seconds and then quickly switching off the ignition. Then,.....the plug coloration is meaningful to someone who knows what to look for,...
Now,..if your fuel consumption is higher than normal, I would ask if you had your injectors tested and cleaned? Have you checked & confirmed your CIS control and system pressures, both hot and cold?