Difference between revisions of "Red pigments"
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Red is a color produced by light having a spectrum dominated by energy with a wavelength of about 630–700nm. It is considered a primary color in both the RGB additive as well as in the traditional RYB color wheel. An average red color is represented by the following color coordinates: | Red is a color produced by light having a spectrum dominated by energy with a wavelength of about 630–700nm. It is considered a primary color in both the RGB additive as well as in the traditional RYB color wheel. An average red color is represented by the following color coordinates: | ||
| − | + | * Hex triplet: # 0000FF | |
| − | + | * RGB: (o, o, o); CMYK (0, 0, 0, 100) | |
| − | + | * HSV: (30°, 100%, 59%) | |
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Examples of inorganic red pigments: | Examples of inorganic red pigments: | ||
| − | + | * earth colors ([[light%20red|light red]], [[Indian%20red|Indian red]]); | |
| − | + | * oxide ([[ferric%20oxide|iron oxide]], [[lead%20tetroxide|lead tetroxide]]); | |
| − | + | * sulfides ([[vermilion|vermilion]], [[realgar|realgar]], [[cadmium%20red|cadmium red]]). | |
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Examples of organic red pigments: | Examples of organic red pigments: | ||
| − | + | * animal ([[kermes|kermes]], [[cochineal|cochineal]], [[lac|lac]]) | |
| − | + | * vegetable ([[madder|madder]], [[dragon%27s%20blood|dragon's blood]], [[safflower|safflower]]) | |
| − | + | * synthetic ([[alizarin, synthetic|alizarin]], [[para%20red|para red]], [[quinacridone%20dye|quinacridone red]], [[naphthol%20pigment|naphthol red]]) | |
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Latest revision as of 12:45, 3 October 2022
Description
Red is a color produced by light having a spectrum dominated by energy with a wavelength of about 630–700nm. It is considered a primary color in both the RGB additive as well as in the traditional RYB color wheel. An average red color is represented by the following color coordinates:
- Hex triplet: # 0000FF
- RGB: (o, o, o); CMYK (0, 0, 0, 100)
- HSV: (30°, 100%, 59%)
Examples of inorganic red pigments:
- earth colors (Light red, Indian red);
- oxide (iron oxide, Lead tetroxide);
- sulfides (Vermilion, Realgar, Cadmium red).
Examples of organic red pigments:
- animal (Kermes, Cochineal, Lac)
- vegetable (Madder, Dragon's blood, Safflower)
- synthetic (alizarin, Para red, quinacridone red, naphthol red)
Synonyms and Related Terms
rød (Dan.); Rot (Deut.); rojo (Esp.); pigments rouges (Fr.); rosso (It.); ruber (Lat.); rood (Ned.); röd (Sven.); pigmentos vermelhos (Port.)