Shade

cortina

(something that blocks light, particularly in a window)

cúpula

(cover around or above a light bulb, a lampshade)

espectro

(ghost — see also ghost)

gradação

(variety of color)

matiz

(variety of color)

nuança

(variety of color)

shade

(subtle insult)

sombra

(darkness where light is blocked)

sombra

(ghost — see also ghost)

tom

(variety of color)

tonalidade

(variety of color)

sombrear

(to shield from light)