Candles are used in a variety of magic rituals, for thousands of years; so here is myTake about various types of candles, most commonly used in certain spells, in order to increase their efficiency.
1. White Candles
White candles are commonly identified with purity, joy of life and energy, white color is also a symbol of wisdom and virginity.
White Candles are usually used in rituals related to: Healing, Peace, Truthfulness, Safety, Benevolence, Innocence, Hope, Cleansing and the New Beginnings in Life.
2. Black Candles
Black candles are commonly identified with silence, darkness, transformation and negative forces, however, black color can be positive under certain circumstances, but those circumstances must be very familiar.
Black Candles are usually used in rituals related to: Power, Revenge, Absorbing Illness, Causing Discord, Reversing Hexes, Banishing, Binding, and Protection from Retribution.
Note - Be careful what you wish for, do what you will, so long as it harms none, whatever energy you send out into the world, whether it's positive or negative, will be returned to you three times.
3. Red Candles
Red candles are commonly identified with heat, passion, strength, rage, action, strong willpower and courage, red color is also a symbol of aggression and sexuality.
Red Candles are usually used in rituals related to: Bravery and Encouragement, Physical aspects of Love, Increasing of Libido & Potency, Invoking Lust, Health Maintenance, Energy and Vitality.
4. Blue Candles
Blue candles are commonly identified with stability, rationality, creativity, depth and infinity, blue color is also a symbol of friendship and honesty.
They are usually used in rituals related to: Tranquility, Inspiration, Mental Healing, Serenity, Meditation, Bliss, Forgiveness, Conciliation, Fidelity, Making new Friends, Finding new Job, Business Success, Invoking Wealth, Water Elemental Magic.
Note - When performing Love Spells, you should always avoid Blue Candles, as they may have a negative effect in the form of depression, frigidity and apathy.
5. Yellow Candles
Yellow candles are commonly identified with success, glory, wisdom and enlightenment, yellow color is also a symbol of light and maturation.
Yellow Candles are usually used in rituals related to: Intelligence, Bringing plans into Action, Vitality, Good Memory, Imagination, Confidence, Concentration, Clarity of Thoughts, Air Elemental Magic.
6. Green Candles
Green candles are commonly identified with fertility, youth, regeneration, immortality of the soul, durability and rebirth, green color symbolises nature and purity.
Green Candles are usually used in rituals related to: Luck, Abundance, Lottery Games, Success in Sports, Planning of Pregnancy, Emotional Healing, Relaxation, Prosperity, Harmony, Growth and Rejuvenation.
7. Orange Candles
Orange candles are commonly identified with self-confidence, physical energy, enthusiasm, education and happiness, orange color symbolises cheerfulness and warmth.
Orange Candles are usually used in rituals related to: Attracting the opposite gender, Career and Legal Matters, Easier Learning, Ambition and Self-Esteem, Fire Elemental Magic.
8. Purple & Violet Candles
Purple and Violet Candles are commonly identified with supernatural, holiness, prophecies, sensitivity, mental expansion and spirituality, both purple and violet color symbolise sixth sense/third eye, fulfillment and inner growth.
Violet and Purple Candles are usually used in rituals related to: Invoking Visions, Psychic Abilities, Realization of Goals and Ideals, Higher Intuition, Summoning Spirits, Astral Traveling, Karmic Regression, and Spiritual Guidance.
9. Grey Candles
Grey candles are commonly identified with wisdom, experience and predictions, grey color also symbolizes maturity, neutrality and balance.
Grey candles are usually used in rituals related to: Psychic Development, Erasing negative feelings, Compromises, Smoothing down Conflicts, Neutralising hostility, Clairvoyance, Contemplation, Repels negative influences.
10. Pink & Rosy Candles
Pink and Rosy candles are commonly identified with happiness, affection, harmony, and marriage, pink & rosy color symbolises romance and joy of life.
Rosy / Pink Candles are usually used in rituals related to: Finding True Love, Healing wounded Emotions, Forgiveness, Wedding plans, Compassion and love for yourself and others, Devotion and Harmonious Friendship.
11. Brown & Ocher Candles
These candles are commonly identified with reliability, sincerity and security, brown color also symbolises seriousness and elegance.
Brown / Ocher Candles are usually used in rituals related to: Financial security & Securing your Family and achieving Material gain, Protecting pets and other Animal magic, Grounding & removing Indecisiveness and Hesitation, Earth Elemental Magic.
12. Beige & Tan / Creamy and Ivory Candles
They are commonly identified with softness and pleasantness, but these neutral colors also symbolise flexibility and dependability.
Beige & Tan / Creamy and Ivory Candles are usually used in rituals related to: Divination, Nurturing, Development of Extrasensory Perception, Dispelling of negative energy.
13. Copper Candles
Copper candles are commonly identified with business professionality, trustworthiness and financial goals, but this color also symbolises conservativeness.
Copper Candles are usually used in rituals related to: Success in matters of Work / Profession, Consistency and Persistence in achieving Money goals, Passion in Career growth and accomplishing various Job tasks.
14. Silver & Metalic Candles
Silver and metalic dandles are commonly identified with eloquence, persuasiveness, gracefulness and sophistication.
Silver Candles are usually used in rituals related to: Victory in discussions, Cancellation of harmful spells, Removing malicious thoughts, Developing Intuition.
15. Golden Candles
Golden candles are commonly identified with wealth, money, playfulness and luck.
Golden Candles are usually used in rituals related to: Attracting Money, Fortune in Gambling, Enlightenment, Positive Attitude, Justice, Luxury, Invoking Cosmic powers.
In Magic rituals, the strongest Candles are made of natural Beeswax, followed by Stearin, Tallow and Paraffin Candles.
I hope my advices will help at least some of my fellow Wiccans, and other magic practitioners, good luck ;)