A pigment is a material that changes the colour of light it reflects as the result of selective colour absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which the material itself emits light.
Pigment groups
- Biological origins: Alizarin, Alizarin Crimson, Gamboge, Indigo, Indian Yellow, Cochineal Red, Tyrian Purple, Rose madder
- Carbon pigments: Carbon Black, Ivory Black, Vine Black, Lamp Black
- Cadmium pigments: cadmium pigments, Cadmium Green, Cadmium Red, Cadmium Yellow, Cadmium Orange
- Iron oxide pigments: Caput Mortuum, oxide red, Red Ochre, Sanguine, Venetian Red, Mars Black
- Chromium pigments: Chrome Green, Chrome Yellow
- Cobalt pigments: Cobalt Blue, Cerulean Blue, Cobalt Violet, Aureolin
- Lead pigments: lead white, Naples yellow, Cremnitz White, red lead
- Copper pigments: Paris Green, Verdigris, Viridian
- Titanium pigments: Titanium White, Titanium Beige
- Ultramarine pigments: Ultramarine, Ultramarine Green Shade, French Ultramarine
- Mercury pigments: Vermilion
- Zinc pigments: Zinc White
- Clay earth pigments (which are also iron oxides): Raw Sienna, Burnt Sienna, Raw Umber, Burnt Umber, Yellow Ochre.
- Organic: Pigment Red 170, Phthalo Green, Phthalo Blue, Prussian blue, Quinacridone Magenta.
From Pocket Wikipedia, http://www.free-soft.ro/pocket-wikipedia/
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