Even different shades of color can even have their own nuances. Navy blue and robin egg blue are both blue, but they could have subtle meanings in symbolism.
Below is a fairly standard Wiccan list.
Color Summary
Basic ColorsRemember, color symbolism varies from culture to culture and individual to individual. In Italian culture, the color red seemed particularly linked to good fortune (buona fortuna), prosperity, and joyful love perhaps through the color's connection to both red embers of a living hearth and the red life blood.White--consecration, blessing, ALL PURPOSE
Red--life, passion, fast action
Orange--physical well-being, happiness
Yellow--friendship, attraction, spirituality, healing
Green--growth, prosperity, fertility, health
Blue--peace, meditation, emotional well-being
Purple--psychic endeavors, fantasy
Black--protection, disspelling, breaking negative conditions, power-within
Other Commonly Used ColorsGold--wealth, sun
Silver--intuition, cash coins, moon
Brown--stability, strength, earth
Pink--love, affection (blend of white and red)
Grey--promotes balance, eases grief (blend of white and black)