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Images using only shades of grey are called grayscale (typically digital) or black-and-white (typically analog). In physics, monochromatic light refers to electromagnetic radiation that contains a narrow band of wavelengths, which is a distinct concept.
Paul Bilhaud, Combat de nègres pendant la nuit, 1882 Monochrome painting was initiated at the first Incoherents exhibition in Paris in 1882, with a black painting by the poet Paul Bilhaud entitled Combat de Nègres pendant la nuit ("Battle of negroes during the night"), which had been missing since 1882 when it was rediscovered in a private collection in 2017–2018. [2]
Line art or line drawing is any image that consists of distinct straight lines or curved lines placed against a background (usually plain). Two-dimensional or three-dimensional objects are often represented through shade (darkness) or hue . Line art can use lines of different colors, although line art is usually monochromatic.
CIELAB produces a color space that is more perceptually linear than other color spaces. Perceptually linear means that a change of the same amount in a color value should produce a change of about the same visual importance. CIELAB has almost entirely replaced an alternative related Lab color space called “Hunter Lab”. This space is ...
Underpainting gets its name because it is painting that is intended to be painted over (see overpainting) in a system of working in layers. There are several different types of underpainting, such as veneda, verdaccio, morellone, imprimatura and grisaille. [1] The different types have different colourings. Grisaille is plain grey.
A rainbow is a decomposition of white light into all of the spectral colors. Laser beams are monochromatic light, thereby exhibiting spectral colors. A spectral color is a color that is evoked by monochromatic light, i.e. either a spectral line with a single wavelength or frequency of light in the visible spectrum, or a relatively narrow spectral band (e.g. lasers).
Sepia ink was commonly used for writing in Greco-Roman civilization.It remained in common use as an artist's drawing material until the 19th century. [2] Grisaille is a painting technique developed in the 14th century in which a painting is rendered solely in tones of gray, sepia, or dark green. [4]
In computing terminology, black-and-white is sometimes used to refer to a binary image consisting solely of pure black pixels and pure white ones; what would normally be called a black-and-white image, that is, an image containing shades of gray, is referred to in this context as grayscale. [2]