54:64:81

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Chord information
Harmonics 54:64:81
Subharmonics 1/(96:81:64)
Intervals from root 1/1 – 32/27 – 3/2
Cents from root 0¢ 294¢ 702¢
Step intervals 32/27, 81/64
Step cents 294¢, 408¢
Color name wa or w
Prime limit 3
Genus 34 (81)
Intervallic odd limit 81
Otonal odd limit 81
Utonal odd limit 81

54:64:81, is a minor triad found on the ii, iii, and vi of the 3-limit diatonic scale.

In meantone this chord is tempered together with both 10:12:15 and 27:32:40, so it may be considered a 3-limit approximation of those chords, or a chord in its own right with a less-stable third. Unlike 10:12:15, 54:64:81 is ambitonal.