Beautiful, attractive, enhance, ornament, decorate, etc. <span />
Grey is the basic color tone that rules the whole novel. It symbolizes decadence, bleakness, corruption and disillusionment and represents moral decay, spiritual emptiness and death. The valley of ashes is a grey place where everything is colored grey.
The novel to kill a mockingbird came at a crucial time in american history in which (segregation) and (racism) were fueling debates across the country.