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Interval information
Ratio 676/675
Monzo [2 -3 -2 0 0 2
Size in cents 2.5628
Name(s) island comma,
Color name Bithogu
FJS name dd216925
open this interval in xen-calc

676/675, otherwise known as the island comma, or the parizeksma, is the difference between two 15/13's and a 4/3 perfect fourth, and also between 26/25 and 27/26. Tempering this comma out divides the perfect fourth into two equal halves, making island chords possible.

See also