Color
Newton disc
The Newton disc is a well-known physics experiment with a rotating disc with segments in different colors (usually Newton's primary…
Neugebauer equations
The Neugebauer equations are a set of equations used to model color printing systems, developed by Hans E. J. Neugebauer.…
Neon color spreading
Neon color spreading (also referred to as neon-like color spreading) is an optical illusion in the category of transparency effects,…
Monochrome
Monochrome describes paintings, drawings, design, or photographs in one color or values of one color. A monochromatic object or image…
Monochromacy
Monochromacy (mono meaning one and chromo color) is among organisms or machines the ability to distinguish only one single frequency…
Marrs green
Marrs green is a shade of green that in 2017 won 'The World's Favourite Colour', a major global survey by…
Line of purples
In color theory, the line of purples or purple boundary is the locus on the edge of the chromaticity diagram…
Lightfastness
Lightfastness is a property of a colourant such as dye or pigment that describes how resistant to fading it is…
Kreft’s dichromaticity index
Kreft's dichromaticity index (DI) is a measure for quantification of dichromatism. It is defined as the difference in hue angle (Δhab) between the color of the sample at…
Kolormondo
Kolormondo is a colour system, presenting colours and their interrelations in three dimensions. The Kolormondo system is used to understand,…
Mary’s room knowledge argument
The knowledge argument (also known as Mary's room or Mary the super-scientist) is a philosophical thought experiment proposed by Frank…
Iridescence
Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change colour as the angle…
Inverted spectrum
The inverted spectrum is the hypothetical concept of two people sharing their color vocabulary and discriminations, although the colors one…