LG 55LM6700 User Manual page 19

Skin Color : Skin color spectrum can be separately set to
implement the skin color defined by the user.
Preferred Color Grass Color : Natural color spectrum (meadows, hills, etc.)
can be separately set.
Sky Color : Sky color is set separately.
Provides a crystal-clear picture by improving the details in
Super Resolution
an area that has a blurry or unclear picture.
Sets the gradation curve according to the output of picture
Gamma
signal in relation to the input signal.
Color Gamut Selects the range of colors that can be expressed.
Shows clearer and distinctive yet natural edges of the
Edge Enhancer
video.
xvYCC [Depending on model] Expresses richer colors.