Chakra Gemstone Charm Ring, Size 9 1/2 Violet (purple) is the color of the Crown chakra, also known as Sahasrara. Indigo: The color of the Brow or Third-Eye chakra, also known as Ajna. Blue: The color of the Throat chakra, also known as Visuddha. Green: The color of the Heart chakra, also known as Anahata. Yellow: The color of the Solar Plexus chakra, also known as Manipura. Orange: The color of the Sacral chakra, also known as Svadhisthana. Red: The color of the Base or Root chakra, also known as Muladhara. 925 Sterling Silver Chakra Gemstone Charm Ring, Size 9 1/2