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Goethite (brown ochre)
Ochre is a color, usually described as golden-yellow or light yellow
brown. As a painting pigment it exists
in at least three forms:
- yellow ochre,
Fe2O3 • H2O, a hydrated Iron oxide
- red ochre, Fe2O3, obtained by heating yellow ochre
- brown ochre (Goethite), also partly hydrated Iron oxide
On a browser that supports visual formatting in Cascading
Style Sheets, the following box should be colored ochre:
Color Coordinates
Hex triplet = #CC7722
RGB (r, g, b) = (204, 119, 34)
CMYK (c, m, y, k) = (0, 85, 170, 50)
HSV (h, s, v) = (30, 83, 80)
See also clay earth pigment
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