Ma'auni na chromatic ma'auni ne na kiɗa wanda ya ƙunshi duk filaye goma sha biyu na haruffan kiɗan Yamma, gami da bayanin kula na halitta da kaifi/filat. Ana kiran shi "chromatic" saboda an haɗa shi gaba ɗaya da rabi-mataki ko semitones, ma'ana cewa kowane bayanin kula yana da rabi-rabin mataki ko ɗaya mafi girma ko ƙasa fiye da bayanin da ke gaba ko biyo baya. A wasu kalmomi, ya haɗa da dukkan maɓallan baki da fari akan madannai na piano a jere.