CANDOR: the quality of being open and honest in expression; frankness. Unreserved, honest, or sincere expression : FORTHRIGHTNESS. freedom from prejudice or malice : FAIRNESS. literary : BRIGHTNESS, BRILLIANCE. obsolete : unstained purity.
NUANCE: sensibility to, awareness of, or ability to express subtle, delicate shadings (as of meaning, feeling, or value). a subtle quality.