Apply a 'notApplicable' case to color.js

Signed-off-by: J. Renée Beach <splendidnoise@gmail.com>
Remove an empty method from Case.

Signed-off-by: J. Renée Beach <splendidnoise@gmail.com>
Move the defineUniqueSelector method into Case.

Signed-off-by: J. Renée Beach <splendidnoise@gmail.com>