27/26

27/26 |-1 3 0 0 0 -1>

65.3373 cents

File:Jid 27 26 pluck adu dr220.mp3 sound sample

In 13-limit Just Intonation, 27/26 appears as the interval between the Pythagorean major sixth of 27/16 and the thirteenth harmonic -- 13/8. It measures about 65.3¢. It is close in size to another 13-limit microtone -- 26/25. These intervals differ by the superparticular ratio 676/675, about 2.6¢. This is the island comma; tempering it out produces temperaments associated with The Archipelago.

See: Gallery of Just Intervals, List of Superparticular Intervals