PlantUML: Customize font, colors in use case diagram

using skinparam

Using skinparam, we can customize font and colors.

 

skinParam.txt

@startuml

left to right direction

skinparam usecase {
	BackgroundColor DarkSeaGreen
	BackgroundColor<< UC2 >> red
	BackgroundColor<< UC1 >> lightblue

	BorderColor DarkSlateGray

	ArrowColor Olive
	ActorBorderColor black
	ActorFontName Courier
}

actor user1 << Human >>
actor user2

usecase "use case 1" as UC1 << UC1 >>
usecase "use case 2" as UC2 << UC2 >>
usecase "use case 3" as UC3
usecase "use case 4" as UC4

user1 --> (UC1)
user1 --> (UC2)
user1 --> (UC3)
user1 --> (UC4)

@enduml

 

Above snippet generate below diagram.

 

 

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