OATMEAL.
Oak is not really a color but can be used to describe the color light brown as it relates to the color of an oak piece of wood.
is the oak tree keep color in winter
Dark oak wood is a deep brown color.
Bog Oak is a shade of brown (typically dark).
Beech is nearer to oak in hardness and color.
Green
Light olive
fire red
No. All the color is from oak aging.
An OAK TREE is natural. It grows from an acorn and the wood is used for many purposes. Oak COLOR is usually manufactured Oak SCENT could be natural or synthesized.
Oak is very versatile and so can be stained many colors. For an oak executive desk I recommend a natural color stain or a golden stain. Both would be very attractive.
Hemicelluloses and tannins