The color names are more intuitive. And if we want to support pattern strokes or fills, we'll need additional proerties to represent other pattern properties.
The first set geometry is considered the default. As an added bonus, we're back to a single argument constructor. Later, we could allow a schema to be set. This would be done before setting values (calling constructor with no args).
Tobias Bieniek
Tim Schaub
ahocevar