Vermeil comma

Interval information

Factorization	2-137 × 3-34 × 768
Monzo	[-137 -34 0 68⟩
Size in cents	13.69161 ¢
Name	vermeil comma
Color name	quinla-sequadzo 28th
FJS name	[math]\displaystyle{ - }[/math]
Special properties	reduced
Tenney norm (log2 nd)	381.789
Weil norm (log2 max(n, d))	381.8
Wilson norm (sopfr(nd))	852
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The vermeil comma, or systematically 34-49/48-comma (monzo: [-136 -34 0 68⟩), is a small 7-limit comma of about 13.7 cents. It is the amount by which a stack of thirty-four 49/48's exceeds an octave, 2/(49/48)³⁴.

Approximation

This interval's size equals one step of 87.649…edo, so it is best approximated by 88edo, with 1\88 = 13.6364 cents.

Etymology

This comma was named by Perry.k in 2026.