Color and Mood. ENERGY STAR certified bulbs are available in a wide variety of shades of white light, ranging from yellowish, to white, to bluish white light, which allows you to customize the mood of your space.
The eye detects visible light, the nerves detect infrared or heat and the skin is sensitive to ultraviolet ( tanning and sunburn ) and the lens of the eye develops cataracts in response to UV also. a human body can detect ionizing electromagnetic radiation, if he can see what his geiger counter is reading.
We are only able to see visible light in the electromagnetic spectrum and not gamma ray,X-ray,UV,IR,Radio waves or Microwaves as our eyes can detect light only between a certain frequency range which is just the visible light in EM spectrum.