How to name chords

Chords can be named in three basic ways.

1. By letter name, e.g. “C major”. The four types of chord built from basic triads are major, minor, augmented and diminished.
2. By Roman numeral e.g. I or i. ...
3. By technical name e.g. “dominant” or “diminished supertonic”.

1. How do you name piano chords?
2. How do you name chord progressions?

How do you name piano chords?

Major and minor chords are made up of three tones, called the root, the third, and the fifth. Chords are always named for their root. The C major chord, for example, will have a C as its root and lowest note. The third is going to be the third tone of the C major scale, or an E.

How do you name chord progressions?

Chord progressions are usually expressed by Roman numerals in Classical music theory. For example, the common chord progression I–vi–ii–V. In many styles of popular and traditional music, chord progressions are expressed using the name and "quality" of the chords.