#AABBCC
#ABC
Example Gantt Diagram:
@startgantt
[Activity1] lasts 5 days
[Activity2] lasts 5 days
[Activity1] is colored in White/Red
[Activity2] is colored in Silver/SeaGreen
[Activity1] -> [Activity2]
@endgantt
Example Sequence Diagram:
@startuml
actor Bob #Red/Yellow
actor Alice #FF0000/FFFF00
Alice -> Bob : hello
@enduml
Also see: skinparam
So a new feature has been added to print all those colors using a special diagram description:
@startuml
colors
@enduml
It is also possible to print a palette of colors close to some other color (using its name or HEX value).
@startuml
colors chocolate
@enduml