C - x 10 x 0 13 0

Chord notes: G, G, C, E

This chord is more of a Gsus than a C but it's a great substitute for a C chord when you're playing high on the neck for a light and airy sound.

This chord works well in the key of G along with these chords:

G - x 10 x 0 12 0

D - 10 x 0 11 10 0

Em - 07x080