Green : Lord and Lady, Earth Elemental, Herb Magick, Nature-type faerie magick, Luck, Fertility, Healing, Balance, Employment, Prosperity, Courage, Agriculture, Changing direction or attitudes, Growth.
Blue : Health, Psychic awareness, Intuition, Opportunity, Understanding, Quests, Safe journey, Patience, Tranquility, Ward off depression. The Goddess, Water Elemental, Truth, Dreams, Protection, Change, Meditation, Impulse.
Indigo: Color of inertia, stops situations, or people. Indigo is used in rituals that require a deep meditation state or in rituals that demand Saturn energy. Meditation, Spirit Communication, Karma, Spell Workings, Learn the ancient wisdom, Neutralize another's magick, Ward off slander.
Purple : Power, success, idealism, psychic manifestations; ideal for rituals to secure ambitions, independence, financial rewards, or to make contact with the spiritual other world; increase Neptune energy
Pink : Promotes romance and friendship; standard color for rituals intended to bring affection; a color of femininity, honor, service; brings friendly, lively conversation to a dinner table.
Peach: Strength, Protection, Confidence, and Communication
Brick Red: opportunity, love bondage. War, Blood, Battles, Danger.
Wine: Power, success, idealism, psychic manifestations; ideal for rituals to secure ambitions, independence, financial rewards, or to make contact with the spiritual other world; increase Neptune energy
Gold The God, Solar Energy, Power, Physical Strength, Success, Achievement, Mental growth, Skill sought, Healing energy, Intuition, Divination, Fortune.
Silver : The Goddess, Lunar Magick, Meditation, Psychic development, Success, Balance, Wards off negativity. Variegated inner development through relaxation and introspection.
Black : Ward-off negativity, Remove hexes, Protection, Spirit contact, The Universe, Night, Truth, Remove discord or confusion.
White : The Lady and The Lord together, Full Moon Magick, Purity, Protection, Truth, Meditation, Peace, Sincerity, Justice, Warding off of doubts and fears.
Gray : Non-nature-type faerie magick such as communication with the faerie realms, travel to the other side, Vision Quests, Veiling, Cancellation, Hesitation, Neutrality
your wording really confuses me, but Lark answered your question.
try your best to get the right colour for the spell, but if for whatever reason you can't [black is really hard to find for me] you can substitute for white as it is a neutral colour. just a suggestion though, you could grab some wax crayons and melt them down, pour it into a mold [the simplest would be the bottom of a milk carton] and put a wax string or white candle in the middle. let it set and you've got a candle. [there are many other methods, this would be the quickest and easiest] most swear by beeswax, but if you really need a certain coloured candle, it's fine. personally i've never noticed much of a difference, it's the energy and focus that matters.