Data type: choice for a color field

A possible choice for a color [[type:field]].

--Properties--
! Property	Type			Description
| @name@	[[type:string]]		Name of this choice, displayed in the drop down list.
| @color@	opaque [[type:color]]	Color this choice corresponds with.

--Example--
>choice:
>	name: red
>	color: rgb(255,0,0)
