class Foo(HasProps): col = bcpd.ColorSpec("colorfield")
class Foo(HasProps): col = bcpd.ColorSpec(default=(128, 255, 124))
class Foo(HasProps): col = bcpd.ColorSpec("gray")
class Foo(HasProps): col = bcpd.ColorSpec(default="red")
class Foo(HasProps): col = bcpd.ColorSpec("colorfield")
class Foo(HasProps): col = bcpd.ColorSpec(default=(128, 255, 124))
class Foo(HasProps): col = bcpd.ColorSpec("gray")
class Foo(HasProps): col = bcpd.ColorSpec(default="red")