Major vs Minor Chords
Major and minor are the two most important chord qualities in music — and the difference between them is a single note. Both use the same root and fifth; only the middle note, the third, changes.
The third is the whole story
C major is C–E–G. C minor is C–E♭–G. The root (C) and the fifth (G) are identical; the only change is E → E♭ — one semitone. A major third (4 semitones) sounds bright and open; a minor third (3 semitones) sounds darker. Play both back to back above and the shift is unmistakable.
Turning one into the other
To go from major to minor, lower the third by a half step. To go from minor to major, raise it. That's it — the outer notes never move. Once your ear locks onto "the middle note," you can flip any triad's mood on demand.
Why it matters for progressions
Major keys lean on major chords (I, IV, V) with minor chords for color (ii, iii, vi); the I–IV–V progression is all major, while a ii–V–I opens on a minor chord. Knowing the quality of each chord at a glance is what lets you follow — and predict — the harmony.
Explore both
Browse every root in the major triads and minor triads libraries, then drill them at speed in Chord Rush until major and minor are instant to your ear and hands.
Frequently asked questions
What is the difference between a major and a minor chord?
A major and minor triad share the same root and fifth; only the middle note differs. A major chord has a major third (4 semitones above the root); a minor chord has a minor third (3 semitones). C major is C–E–G; C minor is C–E♭–G. That one-semitone change flips the whole mood.
Do major chords sound happy and minor chords sad?
It is the common shorthand, and it often holds: major thirds tend to sound bright and open, minor thirds darker or more introspective. But context matters — minor chords can sound powerful or dramatic, and major chords can sound wistful. The reliable fact is the interval, not the emotion.
How do you turn a major chord into a minor chord?
Lower the middle note (the third) by one semitone. Take C major (C–E–G) and move the E down to E♭ and you have C minor (C–E♭–G). Everything else stays the same.