| Colour
|
Previously
|
Current
|
Notes
|
| Yellow
|
Northbound services
|
Circle Line
|
|
| Red
|
Southbound services
|
North South Line
|
|
|
|
Tsuen Wan Line
|
|
|
|
Marunouchi Line
|
|
| Green
|
Eastbound services
|
East West Line
|
|
|
|
Kwun Tong Line
|
|
|
|
Chiyoda Line
|
|
| Blue
|
Westbound services
|
Downtown Line
|
It was actually Circle Line first.
|
|
|
Island Line
|
|
| Sky Blue
|
|
Tozai Line
|
|
| Orange
|
|
Tung Chung Line
|
|
|
|
Ginza Line
|
|
| Purple
|
North East Line northbound services
|
North East Line
|
|
|
|
Tseung Kwan O Line
|
|
| Light Purple
|
|
Hanzomon Line
|
|
| Pink
|
North East Line southbound services
|
Cross Island Line
|
It was actually Thomson Line first.
|
| Khaki
|
Northbound Choa Chu Kang Branch Line services
|
Jurong Region Line
|
|
| Brown
|
Southbound Choa Chu Kang Branch Line services
|
Thomson-East Coast Line
|
It was actually Downtown Line first.
|
|
|
Fukutoshin Line
|
|
| Grey
|
|
Hibiya Line
|
It was actually Downtown Line first.
|
| Gold
|
|
Yurakucho Line
|
|
| Teal
|
|
Jurong Region Line
|
|
|
|
Airport Express
|
|
|
|
Namboku Line
|
|