complexion

Short definition from Wiktionary

Noun

1. 1
   The quality, colour, or appearance of the skin on the face.
2. 2
   The outward appearance of something.
3. 3
   Outlook, attitude, or point of view.
4. 4
   The combination of humours making up one's physiological "temperament", being either hot or cold, and moist or dry.
5. 5
   An arrangement.

Verb

1. 1
   To give a colour to.