1st chord in major
I
2nd chord in major
ii
3rd chord in major
iii
4th chord in major
IV
5th chord in major
V
6th chord in major
vi
7th chord in major
viio
1st chord in minor
i
2nd chord in minor
iio
3rd chord in minor
III
3rd chord in harmonic minor
III+
4th chord in minor
iv
5th chord in minor
v
5th chord in harmonic minor
V
6th chord in minor
VI
7th chord in minor
VII
7th chord in harmonic minor
viio