Patanjali was describing the method of knowing the 7 chakras of the body. These chakras can be seen through the third eye as color circles similar to the rainbow. The colors are as follows:
1- Base chakra-- red 2. Sex chakra--Orange 3. Solar Chakra--Yellow 4. Heart Chakra- Green 5. Throat Chakra- Blue Green 6. Third Eye Chakra- Blue 7. Sahasrara Chakra-- Purple https://www.youtube.com/watch?v=6qvAQk3hvNs https://www.youtube.com/watch?v=6qvAQk3hvNs
