If you are simply replacing a toilet, you will need a new wax gasket and the bolts.
Depending on what actual finish you have through Kohler, it would be the Toto bone finish or the Toto Sedona Beige finish. Between the two finishes, the Sedona Beige finish will be the lightest. The Bone is the darker finish.
I have now been with the company 4 years, I know which fixture works best for your lifestyle. In addition to this knowledge, I’m a woodsman, hunter, and overall outdoorsman.