Synonyms of 'timbre'
The colour of something is the appearance that it has as a result of the way in which it reflects light. Red, blue, and green are colours.
The badges come in twenty different colours and shapes.
A sound is something that you hear.
Peter heard the sound of gunfire.
Thesaurus for timbre from the Collins English Thesaurus
The timbre of someone's voice or of a musical instrument is the particular quality of sound that it has.