A straw-yellow hue is found in cancer cachexia.

Paleness may be from anemia, dysemia, leukemia, amyloid degeneration, or Bright's disease.

Articular rheumatism is marked by paleness, and profuse sweats with strong acid odor.

Anger, fear, and jealousy cause paleness. The cause is vascular spasm. Fainting causes pallor.

Plethoric people are too red in color. A florid complexion means the sanguinous temperament and does not mean too much blood.

Unconsciousness may be from syncope (fainting). The face is pale; either no pulse or very light; the breathing very low and quiet. There are no signs of distress; the face is usually composed.