Electromagnetic spectrum
The electromagnetic radiation spectrum is ChangKuan, it consists of very long wavelengths, also is very low energy with the quantum began
CIE system
Colour spectrum along both sides of the triangle, the primary draw -- red, green and purplish blue ordinal
Lighting quality standards
Provide conforms to the requirements, the eye vision induction object recognition of all the details
Play color
Even in the same color temperature of light color should be consistent, but this doesn't mean that in the same light is the same colour will examine
colour
Heat from the sun or incandescent light, can be analyzed, a complete spectrum: red, orange, yellow, green, blue and purple