nuance

A subtle or slight degree of difference, as in meaning, feeling, or tone; a gradation.

Expression or appreciation of subtle shades of meaning, feeling, or tone.

To treat or consider with nuance; give nuances to.

To shade and give delicate tones of expression to, as a piece of music or a picture.

Any one of the different gradations by which a color passes from its lightest to its darkest shade; a shade of difference or variation in a color.

A delicate degree of difference in anything, as perceived by any of the senses or by the intellect: as, nuances of sound or of expression.

In music:

A shading or coloring of a phrase or passage by variations either of tempo or of force.

A florid vocal passage; fioritura.

A shade of difference; a delicate gradation.