Listed below are what the colors in the aura signify, according to Richard Cavendish, editor in chief of Man Myth & Magic, Vol 2 (1985). (A more in-depth discussion of colors and their meanings can be found in the course materials for Colors & Symbols.)

Red: energy, lust, passing anger, vitality
Orange: humor, ambition, harmony
Yellow: intellect, trickery
Blue: intuition, seriousness, healing
Green: calm, sympathy, possessiveness
Violet: warmth, humility
Purple: great spirituality
Pink: love, compassion, understanding
Silver Flashes: great creativity
Dull Colors: disharmony, problems
White: death wish
Black: deep discontent