Brown
a color as dark as wood or as rich as soil
a color of skin, eyes, hair
after blue and green, the color of the planet, soil, mountains, rivers
Earthy
suggestive of earth and soil
used to describe things that are organic, natural, homemade, directly from the ground
when used to describe language: direct and uninhibited
Natural
existing or caused by nature
born with a particular skill, quality, or ability
relaxed and unaffected; spontaneous
occurring as a matter of course and without debate; inevitable