Dear John, Fuschia and lemon yellow are original neon colours as well. The lemon yellow is yellow tubing with a white florescent powder in it with a colour temperature of 3800 Kelvin. The ice blue is a white with a colour temperature of 10.000 K and the halo blue has a corresponding temperature of 14.000 K. Above this temperature all colours will be mentioned as a blue, as we mention the colour below 2500 K as a red. Best from dirk a. boonstra