Light reflectance is a term used to describe the fraction of the total luminous flux incident upon a surface reflects, generally a function of the colour (wavelength) of the light.
LIGHT REFLECTANCE SCALE
Lustre is a term used to describe fabric or fibre the ability to reflect light. The quality and nature of the reflection may be a useful diagnostic aid.
Structural colour is a term used to describe objects that do not have any pigment yet get their colours from light that is being reflected in microstructures and by this manipulating our brain’s way to see colours (like in a rainbow). In nature, tremendous numbers of orders and patterns are generated spontaneously, which enliven our surroundings.
UV protective textiles developed by Schoeller Textiles is said to reduce the heating up of textiles exposed to sunlight and offer protection against UV rays.
Visible light is a term used to describe the portion of the electromagnetic spectrum that can be detected by human eyes, typically wavelengths between 400 and 700 nm.