- OEM Grade HID Bulbs and Ballasts - Good/Better/Best grade options and pricing - ... measurement in Kelvin (K) that indicates the hue of the light source.available color temperatures include: 3k, 5k, 6k, 8k, ... 10k, 15k, pink, purple,greenAVAILABLE BULBS SIZESH1, H3, H4 (Low HID/High halogen),H4 Bixenon, H7 ... . Full cardboard graphic encasing Aries Automotive HID Xenon Lamps & Bulbs