Chakras are the energy vortexes that lie above your non-physical body and are a part of your auric field. There are hundreds of chakras in your body, but perhaps the most common ones are the seven chakras that lie above the center of your body. From bottom to head, these are:
Your root chakra is in the base of your spine, the sacral chakra lies below your navel, the solarplexus chakra is above your navel, the heart chakra is right in your heart area, the throat chakra is above your throat, the third eye chakra (or brow chakra) is in between your eyebrows, the crown chakra is above your head (in your so-called crown area).
Different colors are associated with these chakras, although they can vary. For example, your root chakra is often associated with a red color but earthy colors, such as brown and black, also resonate with it greatly. The sacral chakra has the color orange assigned to it, the solarplexus chakra is often imagined as yellow. The heart chakra has two colors: Pink for a loving energy (either romantically or self-love) and green for a more healing energy. The throat chakra is often visualized as blue and the third eye chakra is purple, although I often visualize my third eye chakra as blue, as well. The crown chakra seems to most often have a white or clear color associated with it.