Colour is one of the languages of the soul, just look at inspired or meditative paintings as an example; they can influence both our mood and our emotions. In magick, colours can often represent specific energies, goals, people and/or non-physical beings including deities and other spiritual forces. Colours have a symbolic meaning, which is immediately recognised by our subconscious. They influence both the flow and levels of energy in our bodies. For this reason, candles, gemstones, cords and other objects of different colours can be highly effective in rituals.
It must be said that not all colours mean the same to all persons and all cultures. The particular symbolism of any given colour can vary widely from source to source. Many books offer different suggestions for colours when used in magick. In addition, there are also colours for astrological signs and planetary or elemental magick, which may be relevant to the time at which your ritual is performed. But always remember, it is best to go from personal impressions & experiences which have been built up over many years of association with colours. The guidance outlined in books can be used as a starting point if there has been no previous experience with a specific colour.
Some magickal systems use complimentary colours combined together, such as red and green, to create an optical illusion that appears to flash when placed together. Such "flashing colours" are said to have great power in attracting the corresponding magickal forces. These can be used in almost any type of ritual or spell work when the visual aspect of the colour is important.
But always keep in mind that, because one colour can have several meanings, when you are using different colours, you should dedicate or "inform" each colour of what it is supposed to be accomplishing.
