'Complexion' in the Bible

So he sent and brought him. He had a dark, healthy complexion, with beautiful eyes, and he was handsome. The LORD said, "Get up and anoint him, for this is the one."

When the Philistine looked and saw David, he had contempt for him, because he was only a young man. David had a dark, healthy complexion and was handsome.

“Do not gaze at me because I am deeply tanned,[I have worked in] the sun; it has left its mark on me.My mother’s sons were angry with me;They made me keeper of the vineyards,But my own vineyard (my complexion) I have not kept.”

My beloved is dazzling, with a dark and healthy complexion, outstanding among ten thousand.

And I myself, Daniel, alone saw this great vision, and [as a result] {no strength was left in me} and {my complexion grew deathly pale}, and I did not retain any strength.