D-flat
|  Key of Db as Triads
 | 
|  Mode  |  Color  |  Alterations  |  I  |  II  |  III  |  IV  |  V  |  VI  |  VII
 | 
|  Lydian  |  bright  |  raised 4  |  Db  |  Eb  |  Fmin  |  Gdim  |  Ab  |  Bbmin  |  Cmin
 | 
|  Ionian  |  neutral  |  no alterations  |  Db  |  Ebmin  |  Fmin  |  Gb  |  Ab  |  Bbmin  |  Cdim
 | 
|  Mixolydian  |  less bright  |  lowered 7  |  Db  |  Ebmin  |  Fdim  |  Gb  |  Abmin  |  Bbmin  |  Cb
 | 
|  Dorian  |  dark  |  lowered 3, 7  |  Dbmin  |  Ebmin  |  Fb  |  Gb  |  Abmin  |  Bbdim  |  Cb
 | 
|  Aeolian  |  darker  |  lowered 3, 6, 7  |  Dbmin  |  Ebdim  |  Fb  |  Gbmin  |  Abmin  |  Bbb  |  Cb
 | 
|  Phrygian  |  darkest  |  lowered 2, 3, 6, 7  |  Dbmin  |  Ebb  |  Fb  |  Gbmin  |  Abdim  |  Bbb  |  Cbmin
 | 
|  Locrian  |  unusable  |  lowered 2, 3, 5, 6, 7  |  Dbdim  |  Ebb  |  Fbmin  |  Gbmin  |  Abb  |  Bbb  |  Cbmin
 | 
| Key of Db with 7ths
 | 
|  Mode  |  Color  |  Alterations  |  I  |  II  |  III  |  IV  |  V  |  VI  |  VII
 | 
|  Lydian  |  bright  |  raised 4  |  DbMAJ7  |  Eb7  |  Fmin7  |  Gmin7b5  |  AbMAJ7  |  Bbmin7  |  Cmin7
 | 
|  Ionian  |  neutral  |  no alterations  |  DbMAJ7  |  Ebmin7  |  Fmin7  |  GbMAJ7  |  Ab7  |  Bbmin7  |  Cmin7b5
 | 
|  Mixolydian  |  less bright  |  lowered 7  |  Db7  |  Ebmin7  |  Fmin7b5  |  GbMAJ7  |  Abmin7  |  Bbmin7  |  CbMAJ7
 | 
|  Dorian  |  dark  |  lowered 3, 7  |  Dbmin7  |  Ebmin7  |  FbMAJ7  |  Gb7  |  Abmin7  |  Bbmin7b5  |  CbMAJ7
 | 
|  Aeolian  |  darker  |  lowered 3, 6, 7  |  Dbmin7  |  Ebmin7b5  |  FbMAJ7  |  Gbmin7  |  Abmin7  |  BbbMAJ7  |  Cb7
 | 
|  Phrygian  |  darkest  |  lowered 2, 3, 6, 7  |  Dbmin7  |  EbbMAJ7  |  Fb7  |  Gbmin7  |  Abmin7b5  |  BbbMAJ7  |  Cbmin7
 | 
|  Locrian  |  unusable  |  lowered 2, 3, 5, 6, 7  |  Dbmin7b5  |  EbbMAJ7  |  Fbmin7  |  Gbmin7  |  AbbMAJ7  |  Bbb7  |  Cbmin7
 | 
 Notes
- The Ionian mode is more commonly called "the major scale" (and is the most commonly used major scale)
 - The Aeolian mode is commonly called "the natural minor scale" (and is the most commonly used minor scale)
 - Lydian, Ionian, & Mixolydian are considered major modes because their "I chord" is major.
 - Dorian, Aeolian, & Phrygian are considered minor modes because their "I chord" is minor.
 - The Locrian mode is so dissonant that it is usually unusable.
 
Credit: Shane Adams
Db Ionian
   *       *       *       *       *            *           * 
 |-3-|-4-|---|-5-|---|-6-|---|-7-|-1-|---|-2-||---|-3-|-4-|---|-5-|
 |-7-|-1-|---|-2-|---|-3-|-4-|---|-5-|---|-6-||---|-7-|-1-|---|-2-|
 |-5-|---|-6-|---|-7-|-1-|---|-2-|---|-3-|-4-||---|-5-|---|-6-|---|
 |-2-|---|-3-|-4-|---|-5-|---|-6-|---|-7-|-1-||---|-2-|---|-3-|-4-|
 |-6-|---|-7-|-1-|---|-2-|---|-3-|-4-|---|-5-||---|-6-|---|-7-|-1-|
 |-3-|-4-|---|-5-|---|-6-|---|-7-|-1-|---|-2-||---|-3-|-4-|---|-5-|
Db Dorian
   *       *       *       *       *            *           * 
3|---|-4-|---|-5-|---|-6-|-7-|---|-1-|---|-2-||-3-|---|-4-|---|-5-|
7|---|-1-|---|-2-|-3-|---|-4-|---|-5-|---|-6-||-7-|---|-1-|---|-2-|
 |-5-|---|-6-|-7-|---|-1-|---|-2-|-3-|---|-4-||---|-5-|---|-6-|-7-|
 |-2-|-3-|---|-4-|---|-5-|---|-6-|-7-|---|-1-||---|-2-|-3-|---|-4-|
 |-6-|-7-|---|-1-|---|-2-|-3-|---|-4-|---|-5-||---|-6-|-7-|---|-1-|
3|---|-4-|---|-5-|---|-6-|-7-|---|-1-|---|-2-||-3-|---|-4-|---|-5-|
Db Phrygian
   *       *       *       *       *            *           * 
3|---|-4-|---|-5-|-6-|---|-7-|---|-1-|-2-|---||-3-|---|-4-|---|-5-|
7|---|-1-|-2-|---|-3-|---|-4-|---|-5-|-6-|---||-7-|---|-1-|-2-|---|
 |-5-|-6-|---|-7-|---|-1-|-2-|---|-3-|---|-4-||---|-5-|-6-|---|-7-|
2|---|-3-|---|-4-|---|-5-|-6-|---|-7-|---|-1-||-2-|---|-3-|---|-4-|
 |-6-|-7-|---|-1-|-2-|---|-3-|---|-4-|---|-5-||-6-|---|-7-|---|-1-|
3|---|-4-|---|-5-|-6-|---|-7-|---|-1-|-2-|---||-3-|---|-4-|---|-5-|
Db Lydian
   *       *       *       *       *            *           * 
 |-3-|---|-4-|-5-|---|-6-|---|-7-|-1-|---|-2-||---|-3-|---|-4-|-5-|
 |-7-|-1-|---|-2-|---|-3-|---|-4-|-5-|---|-6-||---|-7-|-1-|---|-2-|
4|-5-|---|-6-|---|-7-|-1-|---|-2-|---|-3-|---||-4-|-5-|---|-6-|---|
 |-2-|---|-3-|---|-4-|-5-|---|-6-|---|-7-|-1-||---|-2-|---|-3-|---|
 |-6-|---|-7-|-1-|---|-2-|---|-3-|---|-4-|-5-||---|-6-|---|-7-|-1-|
 |-3-|---|-4-|-5-|---|-6-|---|-7-|-1-|---|-2-||---|-3-|---|-4-|-5-|
Db Mixolydian
   *       *       *       *       *            *           * 
 |-3-|-4-|---|-5-|---|-6-|-7-|---|-1-|---|-2-||---|-3-|-4-|---|-5-|
7|---|-1-|---|-2-|---|-3-|-4-|---|-5-|---|-6-||-7-|---|-1-|---|-2-|
 |-5-|---|-6-|-7-|---|-1-|---|-2-|---|-3-|-4-||---|-5-|---|-6-|-7-|
 |-2-|---|-3-|-4-|---|-5-|---|-6-|-7-|---|-1-||---|-2-|---|-3-|-4-|
 |-6-|-7-|---|-1-|---|-2-|---|-3-|-4-|---|-5-||---|-6-|-7-|---|-1-|
 |-3-|-4-|---|-5-|---|-6-|-7-|---|-1-|---|-2-||---|-3-|-4-|---|-5-|
Db Aeolian
   *       *       *       *       *            *           * 
3|---|-4-|---|-5-|-6-|---|-7-|---|-1-|---|-2-||-3-|---|-4-|---|-5-|
7|---|-1-|---|-2-|-3-|---|-4-|---|-5-|-6-|---||-7-|---|-1-|---|-2-|
 |-5-|-6-|---|-7-|---|-1-|---|-2-|-3-|---|-4-||---|-5-|-6-|---|-7-|
 |-2-|-3-|---|-4-|---|-5-|-6-|---|-7-|---|-1-||---|-2-|-3-|---|-4-|
 |-6-|-7-|---|-1-|---|-2-|-3-|---|-4-|---|-5-||-6-|---|-7-|---|-1-|
3|---|-4-|---|-5-|-6-|---|-7-|---|-1-|---|-2-||-3-|---|-4-|---|-5-|
Db Locrian
   *       *       *       *       *            *           * 
3|---|-4-|-5-|---|-6-|---|-7-|---|-1-|-2-|---||-3-|---|-4-|-5-|---|
7|---|-1-|-2-|---|-3-|---|-4-|-5-|---|-6-|---||-7-|---|-1-|-2-|---|
5|---|-6-|---|-7-|---|-1-|-2-|---|-3-|---|-4-||-5-|---|-6-|---|-7-|
2|---|-3-|---|-4-|-5-|---|-6-|---|-7-|---|-1-||-2-|---|-3-|---|-4-|
 |-6-|-7-|---|-1-|-2-|---|-3-|---|-4-|-5-|---||-6-|---|-7-|---|-1-|
3|---|-4-|-5-|---|-6-|---|-7-|---|-1-|-2-|---||-3-|---|-4-|-5-|---|