Saturation describes the neutrality of a color; a red object with little or no white is said to be very saturated. The lightness of a color tells us about its relative ordering on the dark-to ...

There are three primary colours: red, green and blue. They can be combined in different ways to make every other colour. The colour of an object is determined by the wavelength of light that it ...

not part of the real world We think of colour as being a fundamental property of objects in life: green trees, blue sky, red apples. But that’s not how it works. “What colour is not is part of ...