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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.
Van Dyke (Vandyke) brown, also known as Cassel earth or Cologne earth, is a deep, rich, and warm brown colour often used in painting and printmaking. Early publications on the pigment refer to it as Cassel (or Kassel) earth or Cologne earth in reference to its city of origin; however, today it is typically called Van Dyke brown after the painter Anthony van Dyck.
The color shown above at the top right at the head of this article (color #964B00) is the color normally and traditionally regarded as brown—a medium dark orange. Its h code is 30, which signifies a shade of orange. The color to the immediate right (color #A52A2A) that was chosen as the web color "brown"—a medium dark red—is the color ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...
Since brown may cover a wide range of the visible spectrum, composite adjectives are used such as red brown, yellowish brown, dark brown or light brown. As a color of low intensity, brown is a tertiary color : a mix of the three subtractive primary colors is brown if the cyan content is low.
The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. The study of chemical structure by means of energy absorption and release is generally referred to as spectroscopy .
The name originated because it had a similar color to the natural red dye made from an insect, Kermes vermilio, which was widely used in Europe. [2] [3] The first recorded use of "vermilion" as a color name in English was in 1289. [4] [5] The term cinnabar is used in mineralogy and crystallography for the red crystalline form of mercury sulfide ...
Sepia toning is a chemical process used in photography which changes the appearance of black-and-white prints to brown. [ 2 ] [ 6 ] The color is now often associated with antique photographs. Most photo graphics software programs and many digital cameras include a sepia tone filter to mimic the appearance of sepia-toned prints.