Kromaattisten
Kromaattisten is a Finnish adjective form meaning chromatic, and in particular it is the genitive plural form of kromaattinen. It is used when describing a noun that is in the genitive plural, for example in phrases like kromaattisten sävyjen kirjo, which can be translated roughly as "the range of chromatic hues." In Finnish grammar, adjectives agree with the noun in number and case, so with a genitive plural noun the adjective takes the genitive plural ending -isten.
Common usage occurs in technical or academic writing related to color theory or music theory. Examples include
Etymology: kromaattinen is derived from the international term chromatic, itself rooted in Greek chrōma meaning color,
See also: kromaattisuus (chromaticism), kromaattiset sävelet (chromatic tones), color theory terminology in Finnish.