Until the late 19th century, traditional colour theory specified the different ways in which dyes, pigments, and inks could be mixed to make other colours. red, yellow, and blue — that when combined in different ways could produce all the colours the human eye is capable of seeing. Instead, according to colour science, all the colours that could be produced by combining any three colours in different ways is called the gamut of those three colours. Isaac Newton defined complementary colours on the basis of hue: if two colours combine to produce a greyscale colour — i.e. LEDs use additive colouring to produce colours.

Source: The Hindu May 27, 2024 04:41 UTC