White

White is the lightest color, achromatic with no hue. It represents objects like snow, chalk, and milk, contrasting black. White reflects and scatters all visible light wavelengths. On screens, white is formed by mixing red, blue, and green light. It can be achieved with white pigments, particularly titanium dioxide. In ancient Egypt and Rome, white symbolized purity for priestesses and citizenship for Romans. In the Middle Ages and Renaissance, a white unicorn represented chastity, while a white lamb symbolized sacrifice and purity. It was the royal color of French kings and of the anti-Bolshevik movement in the Russian Civil War. Greek and Roman temples featured white marble, and in the 18th century, neoclassical architecture popularized white in churches, capitols, and government buildings, notably in the United States. White continued to be used in 20th century modern architecture as a symbol of modernity and simplicity. White is also the color most often associated with perfection, good, honesty, cleanliness, the beginning, new, neutrality, and exactitude. 
Aside from that, White is not active, nor a color. White is the opposite of Black