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Discrimination. Discrimination based on skin tone, also known as colorism or shadeism, is a form of prejudice and discrimination in which people of certain ethnic groups, or people who are perceived as belonging to a darker-skinned race, are treated differently based on their darker skin tone. [1] [2] Colorism focuses on how racism is expressed ...
Once ingested, ink can be hazardous to one's health. Certain inks, such as those used in digital printers, and even those found in a common pen can be harmful. Though ink does not easily cause death, repeated skin contact or ingestion can cause effects such as severe headaches, skin irritation, or nervous system damage.
Dark skin. Dark skin is a type of human skin color that is rich in melanin pigments. [1] [2] [3] People with dark skin are often referred to as black people, [4] although this usage can be ambiguous in some countries where it is also used to specifically refer to different ethnic groups or populations. [5] [6] [7] [8]
Iron gall ink (also known as common ink, standard ink, oak gall ink or iron gall nut ink) is a purple-black or brown-black ink made from iron salts and tannic acids from vegetable sources. It was the standard ink formulation used in Europe for the 1400-year period between the 5th and 19th centuries, remained in widespread use well into the 20th ...
Cephalopod ink. Ventral view of the viscera of Chtenopteryx sicula, showing the specific location of the ink sac. Cephalopod ink is a dark-coloured or luminous ink released into water by most species of cephalopod, usually as an escape mechanism. All cephalopods, with the exception of the Nautilidae and the Cirrina (deep-sea octopuses), [1] are ...
Strictly speaking, a "shade of black" is always a pure black itself and a "tint of black" would be a neutral gray. Unlike these, many off-black colors possess a hue and a colorfulness (also called saturation). Colors often considered "shades of black" include onyx, black olive, charcoal, and jet; these colors and other variations of black are ...
Pantone 448 C. Pantone 448 C is a colour in the Pantone colour system. Described as a "drab dark brown " and informally dubbed the "ugliest colour in the world", it was selected in 2012 as the colour for plain tobacco and cigarette packaging in Australia, after market researchers determined that it was the least attractive colour. [2] [3] [4] [5]
Melanistic black eastern grey squirrel ( Sciurus carolinensis) Melanistic guinea pigs ( Cavia porcellus) are rare, and are used in rituals by Andean curanderos. [1] Melanism is the congenital excess of melanin in an organism resulting in dark pigment . Pseudomelanism, also called abundism, is another variant of pigmentation, identifiable by ...