The Color of Candles
In Candle Magick different color candles are used for different magickal purposes.  Below is a general list of candle colors and their magickal properties:

White:  Spirituality, Peace, Higher Self, Purity, Independence, Clarity, Guidance and can be used as a substitute for any color.
Purple:  Clairvoyance, Psychism, Spiritual Power, Hidden Knowledge, Self-Assurance, can be used to represent a Deity.
Blue:  Opening Blocked Communication, Wisdom, Protection, Spiritual Inspirtation, Relationships, Element of Water, Calm and relaxation.
Green:  Element of Earth, Physical Healing, Material Success, Abundance, Fertility, Flora Magick, Growth, Personal Goals and Money.
Pink:  Love, Universal Good Will, Healing of Emotions, Peace, Affection, Romance, Caring, Nurturing.
Yellow:  Element of Air, Intelligence, Enhanced Learning, Logic, Breaking Mental Blocks, Memory, Communication, Personal Power and Mechanistic Creativity.
Orange:  Business Goals, Legal Matters, Selling, Action, Career Goals, General Success, Ambition and Vibrancy.
Brown:  Element of Earth, Fauna Magick, Ecological Magick and Stability.
Red:  Element of Fire, Passion, Courage, Instincts, Fast Action, Driving Force, Survival and Justice.
Black:  Protection, Dispelling Negativity, Breaking and Reversing Spells.