Yes, shaded is a Scrabble word!

Adjective

1. Protected from heat and light with shade or shadow

2. (of pictures or drawings) drawn or painted with degrees or gradations of shadow

Verb

1. Cast a shadow over

2. Represent the effect of shade or shadow on

3. Protect from light, heat, or view

4. Vary slightly

5. Pass from one quality such as color to another by a slight degree