Black.

Many people think that black is the color of evil, as if evil were relegated to a color! Black candles actually summon the strength of those who have passed, not their evil tendencies. Black is a wonderful color to utilize in your time of need.

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Blue.

Blue is a strong color of psychic abilities. It raises the vibrational levels of your space and can help stabilize your moods. If you've been hurt, blue candles can create a healing atmosphere in which to recuperate.