G5 t5 coloured he high efficiency ho high output fluorescent bulb in different coloursthe highlight white on the outside coloured on the inside the colour first changes when it is turned onhe high efficiency14 w length 549 mm red 930 lumen14 w length 549 mm green 1 550 lumen14 w length 549 mm blue 300 lumen28 w length 1149 mm red 2 100 lumen28 w length 1149 mm green 3 500 lumen28 w length 1149 mm blue 700 lumen35 w length 1449 mm red 2 650 lumen35 w length 1449 mm gr