Dyschromia refers to an alteration of the color of the skin or nails. `Hyperchromia` can refer to hyperpigmentation, and `hypochromia` can refer to hypopigmentation. `Dyschromatoses` involve both hyperpigmented and hypopigmented macules. ...
Any abnormality in the colour of the skin. ... (05 Mar 2000) ... 
(dis-kro´me-ә) any disorder of pigmentation of the skin or hair; called also dyspigmentation.
Type: Term Pronunciation: dis-krō′mē-ă Definitions: 1. Any abnormality in the color of the skin.
dyschromia, dyschromatous 1. Discoloration, as of the skin or fingernails and toenails. 2. Any abnormality of skin color.