Foreshadowing and symbolizing death in literature is usually done with dark colors that represent bleak or gloomy moods. Black and grey are particularly useful at symbolizing death because they evoke feelings of fear from being alone in the dark or feelings of gloominess felt from grey skies.
Red is often the symbol of both love and hate in literature. While love and hate may seem like polar opposites, studies have shown that the love and hate emotions share the same areas of the brain, making them hard to differentiate at times. A "deeply red rose" may evoke a sense of love while a "red-hot fury" evokes a sense of rage.
The playfulness of pink reflects an image of innocence in literature. The short story of "Young Goodman Brown" in particular uses pink to symbolize faith. A character -- aptly named Faith -- dons pink ribbons which are seen multiple times throughout the story to symbolize fallen faith and returning faith.
Images of blue and green are often the symbols of serene and peaceful moments in literature. The color blue invites a calming sense while green is notably peaceful. Psychologically, readers connect the color blue to clear skies and a sense of calm felt on carefree spring days, and connect the color green to earthy tones that bring peaceful hillsides to mind.