What does chromaticism mean?
Chromaticism is a noun describing the use of chromatic tones in music — notes that lie outside the prevailing key or scale. Rather than abandoning a key altogether, a composer employing chromaticism decorates and destabilises it, introducing passing dissonances and altered harmonies that add tension, richness, and expressive colour. The term comes from the Greek 'chroma', meaning colour, reflecting the ancient Greek idea that such inflections 'tinted' a melody. Chromaticism is central to the history of Western music: it became increasingly elaborate during the Renaissance and Baroque eras, reached an extreme in the work of Romantic composers such as Wagner and Liszt, and ultimately helped dissolve traditional tonality in the early twentieth century. Its usual opposite is diatonicism, the strict adherence to the notes of a single key. Today the word appears mainly in music theory, criticism, and analysis, where it signals harmonic sophistication and expressive intensity.
nounThe use of chromatic tones — notes outside the prevailing key or scale — in music, especially as a characteristic style or technique. More broadly, it can refer to the quality of being chromatic in colour terms.
- In music, the technique or style of employing notes foreign to the prevailing key or scale, enriching harmony and melody.
- Rarely, the presence or quality of chromatic (as opposed to pure) colours.
"The composer's late works are marked by an intense chromaticism that stretches tonality to its limits."
"Liszt's harmonic language grew ever freer, his chromaticism blurring the boundaries between major and minor keys."
"The reviewer praised the score's rich chromaticism while noting that it occasionally obscured the melodic line."
A rare plural, occasionally used in analytical writing to distinguish different types or instances of chromatic treatment across styles or composers.
"The textbook compares the chromaticisms of Wagner and Debussy."
The ancient Greeks named this musical device after colour itself — 'chroma' — because chromatic melodies were thought to tint music the way pigment tints a canvas.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of chromaticism
Chromaticism derives from the Greek 'chrōma' (colour), via the term 'chromatic', which the Greeks applied to one of their melodic genera thought to evoke colour or emotion. The musical sense passed into Latin and later European theory, and the word entered English usage in the nineteenth century as composers' harmonic practices made the technique a subject of sustained discussion. Cognates sharing the same Greek root include 'chromatic', 'chrome', 'chromium', and 'chromosome', all of which preserve the original connection to colour.
Related word forms
How chromaticism is actually used
Chromaticism is a technical term used almost exclusively in discussions of Western classical and art music, particularly musicology and music theory. It carries no strong connotation of approval or disapproval in itself, though heavy chromaticism is often associated stylistically with Romantic composers such as Wagner and Liszt and with the breakdown of traditional tonality around 1900. The plural is rare.
Easily confused with chromaticism
Chromatism is a chiefly scientific term, most notably for chromatic aberration in optics, whereas chromaticism refers primarily to the musical technique of using chromatic notes.