tonality
noun
[ tə(ʊ)ˈnalɪti ]
• the character of a piece of music as determined by the key in which it is played or the relations between the notes of a scale or key.
• "the sonata is noteworthy for its extensive variations of mood and tonality"
• the colour scheme or range of tones used in a picture.
• "the five canvases are predominantly blue in tonality"
