Yes, shade is in the scrabble dictionary

Shade Definition

noun

A disembodied spirit; a ghost.

A present reminder of a person or situation in the past: shades of my high-school days.

A slight difference or variation; a nuance: shades of meaning.

A small amount; a trace: detected a shade of bitterness in her remarks.

An area or a space of partial darkness.

verb-transitive

To cause shade in or on.

To change or vary by slight degrees: shade the meaning.

To make a slight reduction in: shade prices.

To obscure or darken.

To produce (gradations of light or color) in a drawing or picture.

verb-intransitive

To pass from one quality, color, or thing to another by very slight changes or degrees.

verb

To shelter or screen by intercepting radiated light or heat.

To cover with a shade.

To hide partly by or as if by a .

To darken with or as if with a shadow.

To better or exceed by a shade.