The 7 Chakras are the energy centres in our body in which energy flows through. The word 'chakra' is derived from the Sanskrit word meaning 'wheel'. In Hindi it means 'Wheel of spinning Energy'. A chakra is like a whirling, vortex-like, powerhouse of energy.
Meaning of the Green chakra color:
Green is the color of the heart chakra (fourth chakra); it is connected with love, relating, integration, compassion.