bleached, faded, washed-out, washy(adj)

having lost freshness or brilliance of color

"sun-bleached deck chairs"; "faded jeans"; "a very pale washed-out blue"; "washy colors"

attenuate, attenuated, faded, weakened(adj)

reduced in strength

"the faded tones of an old recording"

Faded(u)

of Fade

Faded(adj)

that has lost freshness, color, or brightness; grown dim